The future value and present value equations also help in finding the interest rate and the number of years that correspond to present and future value calculations. If a security currently worth $5, 600 will be worth $7, 054.39 three years in the future, what is the implied interest rate the investor will earn on the security-assuming that no additional deposits or withdrawals are made? 6.40% 8.00% 0.42% 1.26% If an investment of $50, 000 is earning an interest rate of 4.00%, compounded annually, then it will take ___ for this investment to reach a value of $71, 165.59-assuming that no additional deposits or withdrawals are made during this time. Which of the following statements is true-assuming that no additional deposits or withdrawals are made? It takes 14.21 years for $500 to double if invested at an annual rate of 5%. It takes 10.50 years for $500 to double if invested at an annual rate of 5%