Finding the Fourth Proportional to 66,715.52, 100,151.17 and 52,684.99
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Solution
The fourth proportional to 66,715.52, 100,151.17 and 52,684.99 is: 79,088.99
Step by Step Solution
- Step 1: Write the proportion equation
66,715.52 : 100,151.17 = 52,684.99 : x - Step 2: Convert to fraction form
66,715.52/100,151.17 = 52,684.99/x - Step 3: Cross multiply
66,715.52x = 100,151.17 × 52,684.99 - Step 4: Simplify right side
66,715.52x = 5,276,463,007.85 - Step 5: Solve for x
x = 5,276,463,007.85/66,715.52 - Step 6: Final answer
x = 79,088.99
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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.