Finding the Fourth Proportional to 82,752.41, 124,031.42 and 38,285.24
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Solution
The fourth proportional to 82,752.41, 124,031.42 and 38,285.24 is: 57,382.88
Step by Step Solution
- Step 1: Write the proportion equation
82,752.41 : 124,031.42 = 38,285.24 : x - Step 2: Convert to fraction form
82,752.41/124,031.42 = 38,285.24/x - Step 3: Cross multiply
82,752.41x = 124,031.42 × 38,285.24 - Step 4: Simplify right side
82,752.41x = 4,748,572,014.23 - Step 5: Solve for x
x = 4,748,572,014.23/82,752.41 - Step 6: Final answer
x = 57,382.88
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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.