Finding the Fourth Proportional to 87,916.26, 131,892.62 and 35,329.84
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Solution
The fourth proportional to 87,916.26, 131,892.62 and 35,329.84 is: 53,002.09
Step by Step Solution
- Step 1: Write the proportion equation
87,916.26 : 131,892.62 = 35,329.84 : x - Step 2: Convert to fraction form
87,916.26/131,892.62 = 35,329.84/x - Step 3: Cross multiply
87,916.26x = 131,892.62 × 35,329.84 - Step 4: Simplify right side
87,916.26x = 4,659,745,161.78 - Step 5: Solve for x
x = 4,659,745,161.78/87,916.26 - Step 6: Final answer
x = 53,002.09
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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.