Finding the Fourth Proportional to 86,160.92, 129,241.44 and 27,001.19
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Solution
The fourth proportional to 86,160.92, 129,241.44 and 27,001.19 is: 40,501.81
Step by Step Solution
- Step 1: Write the proportion equation
86,160.92 : 129,241.44 = 27,001.19 : x - Step 2: Convert to fraction form
86,160.92/129,241.44 = 27,001.19/x - Step 3: Cross multiply
86,160.92x = 129,241.44 × 27,001.19 - Step 4: Simplify right side
86,160.92x = 3,489,673,000.42 - Step 5: Solve for x
x = 3,489,673,000.42/86,160.92 - Step 6: Final answer
x = 40,501.81
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Double scale
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Similar ratio
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1.5x scale
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.