Finding the Fourth Proportional to 86,564.32, 129,847.12 and 27,398.88
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Solution
The fourth proportional to 86,564.32, 129,847.12 and 27,398.88 is: 41,098.52
Step by Step Solution
- Step 1: Write the proportion equation
86,564.32 : 129,847.12 = 27,398.88 : x - Step 2: Convert to fraction form
86,564.32/129,847.12 = 27,398.88/x - Step 3: Cross multiply
86,564.32x = 129,847.12 × 27,398.88 - Step 4: Simplify right side
86,564.32x = 3,557,665,659.23 - Step 5: Solve for x
x = 3,557,665,659.23/86,564.32 - Step 6: Final answer
x = 41,098.52
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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.