Finding the Fourth Proportional to 86,677.92, 130,032.96 and 27,497.60
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Solution
The fourth proportional to 86,677.92, 130,032.96 and 27,497.60 is: 41,251.50
Step by Step Solution
- Step 1: Write the proportion equation
86,677.92 : 130,032.96 = 27,497.60 : x - Step 2: Convert to fraction form
86,677.92/130,032.96 = 27,497.60/x - Step 3: Cross multiply
86,677.92x = 130,032.96 × 27,497.60 - Step 4: Simplify right side
86,677.92x = 3,575,594,320.90 - Step 5: Solve for x
x = 3,575,594,320.90/86,677.92 - Step 6: Final answer
x = 41,251.50
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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.