Home / 87,337.10-131,033.35-31,175.98

Finding the Fourth Proportional to 87,337.10, 131,033.35 and 31,175.98

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Solution

The fourth proportional to 87,337.10, 131,033.35 and 31,175.98 is: 46,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.10 : 131,033.35 = 31,175.98 : x
  2. Step 2: Convert to fraction form
    87,337.10/131,033.35 = 31,175.98/x
  3. Step 3: Cross multiply
    87,337.10x = 131,033.35 × 31,175.98
  4. Step 4: Simplify right side
    87,337.10x = 4,085,093,098.93
  5. Step 5: Solve for x
    x = 4,085,093,098.93/87,337.10
  6. Step 6: Final answer
    x = 46,773.86

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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.