Finding the Fourth Proportional to 82,177.76, 113,405.28 and 44,451.92
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Solution
The fourth proportional to 82,177.76, 113,405.28 and 44,451.92 is: 61,343.63
Step by Step Solution
- Step 1: Write the proportion equation
82,177.76 : 113,405.28 = 44,451.92 : x - Step 2: Convert to fraction form
82,177.76/113,405.28 = 44,451.92/x - Step 3: Cross multiply
82,177.76x = 113,405.28 × 44,451.92 - Step 4: Simplify right side
82,177.76x = 5,041,082,434.14 - Step 5: Solve for x
x = 5,041,082,434.14/82,177.76 - Step 6: Final answer
x = 61,343.63
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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.