Finding the Fourth Proportional to 86,167.18, 129,292.08 and 44,614.18
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Solution
The fourth proportional to 86,167.18, 129,292.08 and 44,614.18 is: 66,942.66
Step by Step Solution
- Step 1: Write the proportion equation
86,167.18 : 129,292.08 = 44,614.18 : x - Step 2: Convert to fraction form
86,167.18/129,292.08 = 44,614.18/x - Step 3: Cross multiply
86,167.18x = 129,292.08 × 44,614.18 - Step 4: Simplify right side
86,167.18x = 5,768,260,129.69 - Step 5: Solve for x
x = 5,768,260,129.69/86,167.18 - Step 6: Final answer
x = 66,942.66
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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.