Finding the Fourth Proportional to 86,173.92, 129,273.84 and 27,001.80
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Solution
The fourth proportional to 86,173.92, 129,273.84 and 27,001.80 is: 40,506.76
Step by Step Solution
- Step 1: Write the proportion equation
86,173.92 : 129,273.84 = 27,001.80 : x - Step 2: Convert to fraction form
86,173.92/129,273.84 = 27,001.80/x - Step 3: Cross multiply
86,173.92x = 129,273.84 × 27,001.80 - Step 4: Simplify right side
86,173.92x = 3,490,626,372.91 - Step 5: Solve for x
x = 3,490,626,372.91/86,173.92 - Step 6: Final answer
x = 40,506.76
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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.