Finding the Fourth Proportional to 125,863.04, 173,695.92 and 69,279.68
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Solution
The fourth proportional to 125,863.04, 173,695.92 and 69,279.68 is: 95,608.67
Step by Step Solution
- Step 1: Write the proportion equation
125,863.04 : 173,695.92 = 69,279.68 : x - Step 2: Convert to fraction form
125,863.04/173,695.92 = 69,279.68/x - Step 3: Cross multiply
125,863.04x = 173,695.92 × 69,279.68 - Step 4: Simplify right side
125,863.04x = 12,033,597,754.91 - Step 5: Solve for x
x = 12,033,597,754.91/125,863.04 - Step 6: Final answer
x = 95,608.67
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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.