Finding the Fourth Proportional to 82,472.75, 113,824.62 and 52,260.87
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Solution
The fourth proportional to 82,472.75, 113,824.62 and 52,260.87 is: 72,127.75
Step by Step Solution
- Step 1: Write the proportion equation
82,472.75 : 113,824.62 = 52,260.87 : x - Step 2: Convert to fraction form
82,472.75/113,824.62 = 52,260.87/x - Step 3: Cross multiply
82,472.75x = 113,824.62 × 52,260.87 - Step 4: Simplify right side
82,472.75x = 5,948,573,668.62 - Step 5: Solve for x
x = 5,948,573,668.62/82,472.75 - Step 6: Final answer
x = 72,127.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.