Finding the Fourth Proportional to 84,757.50, 127,087.02 and 32,138.28
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Solution
The fourth proportional to 84,757.50, 127,087.02 and 32,138.28 is: 48,188.75
Step by Step Solution
- Step 1: Write the proportion equation
84,757.50 : 127,087.02 = 32,138.28 : x - Step 2: Convert to fraction form
84,757.50/127,087.02 = 32,138.28/x - Step 3: Cross multiply
84,757.50x = 127,087.02 × 32,138.28 - Step 4: Simplify right side
84,757.50x = 4,084,358,233.13 - Step 5: Solve for x
x = 4,084,358,233.13/84,757.50 - Step 6: Final answer
x = 48,188.75
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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.