Finding the Fourth Proportional to 86,445.92, 129,594.92 and 33,176.12
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Solution
The fourth proportional to 86,445.92, 129,594.92 and 33,176.12 is: 49,735.80
Step by Step Solution
- Step 1: Write the proportion equation
86,445.92 : 129,594.92 = 33,176.12 : x - Step 2: Convert to fraction form
86,445.92/129,594.92 = 33,176.12/x - Step 3: Cross multiply
86,445.92x = 129,594.92 × 33,176.12 - Step 4: Simplify right side
86,445.92x = 4,299,456,617.31 - Step 5: Solve for x
x = 4,299,456,617.31/86,445.92 - Step 6: Final answer
x = 49,735.80
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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.