Home / 87,535.41-131,320.32-31,360.38

Finding the Fourth Proportional to 87,535.41, 131,320.32 and 31,360.38

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Solution

The fourth proportional to 87,535.41, 131,320.32 and 31,360.38 is: 47,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,535.41 : 131,320.32 = 31,360.38 : x
  2. Step 2: Convert to fraction form
    87,535.41/131,320.32 = 31,360.38/x
  3. Step 3: Cross multiply
    87,535.41x = 131,320.32 × 31,360.38
  4. Step 4: Simplify right side
    87,535.41x = 4,118,255,136.92
  5. Step 5: Solve for x
    x = 4,118,255,136.92/87,535.41
  6. Step 6: Final answer
    x = 47,046.73

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1.5x scale

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.