Finding the Fourth Proportional to 86,584.92, 129,873.30 and 27,423.96
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Solution
The fourth proportional to 86,584.92, 129,873.30 and 27,423.96 is: 41,134.65
Step by Step Solution
- Step 1: Write the proportion equation
86,584.92 : 129,873.30 = 27,423.96 : x - Step 2: Convert to fraction form
86,584.92/129,873.30 = 27,423.96/x - Step 3: Cross multiply
86,584.92x = 129,873.30 × 27,423.96 - Step 4: Simplify right side
86,584.92x = 3,561,640,184.27 - Step 5: Solve for x
x = 3,561,640,184.27/86,584.92 - Step 6: Final answer
x = 41,134.65
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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.