Home / 87,456.16-131,242.16-48,040.75

Finding the Fourth Proportional to 87,456.16, 131,242.16 and 48,040.75

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Solution

The fourth proportional to 87,456.16, 131,242.16 and 48,040.75 is: 72,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,456.16 : 131,242.16 = 48,040.75 : x
  2. Step 2: Convert to fraction form
    87,456.16/131,242.16 = 48,040.75/x
  3. Step 3: Cross multiply
    87,456.16x = 131,242.16 × 48,040.75
  4. Step 4: Simplify right side
    87,456.16x = 6,304,971,798.02
  5. Step 5: Solve for x
    x = 6,304,971,798.02/87,456.16
  6. Step 6: Final answer
    x = 72,092.94

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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.