Home / 87,552.22-131,304.41-31,381.86

Finding the Fourth Proportional to 87,552.22, 131,304.41 and 31,381.86

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Solution

The fourth proportional to 87,552.22, 131,304.41 and 31,381.86 is: 47,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552.22 : 131,304.41 = 31,381.86 : x
  2. Step 2: Convert to fraction form
    87,552.22/131,304.41 = 31,381.86/x
  3. Step 3: Cross multiply
    87,552.22x = 131,304.41 × 31,381.86
  4. Step 4: Simplify right side
    87,552.22x = 4,120,576,612.00
  5. Step 5: Solve for x
    x = 4,120,576,612.00/87,552.22
  6. Step 6: Final answer
    x = 47,064.22

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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.