Finding the Fourth Proportional to 82,177.92, 113,287.68 and 55,272.96
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Solution
The fourth proportional to 82,177.92, 113,287.68 and 55,272.96 is: 76,197.42
Step by Step Solution
- Step 1: Write the proportion equation
82,177.92 : 113,287.68 = 55,272.96 : x - Step 2: Convert to fraction form
82,177.92/113,287.68 = 55,272.96/x - Step 3: Cross multiply
82,177.92x = 113,287.68 × 55,272.96 - Step 4: Simplify right side
82,177.92x = 6,261,745,405.13 - Step 5: Solve for x
x = 6,261,745,405.13/82,177.92 - Step 6: Final answer
x = 76,197.42
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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.