Finding the Fourth Proportional to 99,760.14, 149,560.92 and 57,592.53
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Solution
The fourth proportional to 99,760.14, 149,560.92 and 57,592.53 is: 86,343.02
Step by Step Solution
- Step 1: Write the proportion equation
99,760.14 : 149,560.92 = 57,592.53 : x - Step 2: Convert to fraction form
99,760.14/149,560.92 = 57,592.53/x - Step 3: Cross multiply
99,760.14x = 149,560.92 × 57,592.53 - Step 4: Simplify right side
99,760.14x = 8,613,591,771.93 - Step 5: Solve for x
x = 8,613,591,771.93/99,760.14 - Step 6: Final answer
x = 86,343.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.