Finding the Fourth Proportional to 95,546.43, 131,552.91 and 86,689.08
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Solution
The fourth proportional to 95,546.43, 131,552.91 and 86,689.08 is: 119,357.69
Step by Step Solution
- Step 1: Write the proportion equation
95,546.43 : 131,552.91 = 86,689.08 : x - Step 2: Convert to fraction form
95,546.43/131,552.91 = 86,689.08/x - Step 3: Cross multiply
95,546.43x = 131,552.91 × 86,689.08 - Step 4: Simplify right side
95,546.43x = 11,404,200,739.22 - Step 5: Solve for x
x = 11,404,200,739.22/95,546.43 - Step 6: Final answer
x = 119,357.69
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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.