Finding the Fourth Proportional to 86,535.92, 119,407.92 and 48,290.96
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Solution
The fourth proportional to 86,535.92, 119,407.92 and 48,290.96 is: 66,635.02
Step by Step Solution
- Step 1: Write the proportion equation
86,535.92 : 119,407.92 = 48,290.96 : x - Step 2: Convert to fraction form
86,535.92/119,407.92 = 48,290.96/x - Step 3: Cross multiply
86,535.92x = 119,407.92 × 48,290.96 - Step 4: Simplify right side
86,535.92x = 5,766,323,088.40 - Step 5: Solve for x
x = 5,766,323,088.40/86,535.92 - Step 6: Final answer
x = 66,635.02
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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.