Finding the Fourth Proportional to 87,715.26, 131,592.33 and 40,942.62
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Solution
The fourth proportional to 87,715.26, 131,592.33 and 40,942.62 is: 61,423.00
Step by Step Solution
- Step 1: Write the proportion equation
87,715.26 : 131,592.33 = 40,942.62 : x - Step 2: Convert to fraction form
87,715.26/131,592.33 = 40,942.62/x - Step 3: Cross multiply
87,715.26x = 131,592.33 × 40,942.62 - Step 4: Simplify right side
87,715.26x = 5,387,734,762.10 - Step 5: Solve for x
x = 5,387,734,762.10/87,715.26 - Step 6: Final answer
x = 61,423.00
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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.