Home / 87,535.92-131,321.07-31,360.89

Finding the Fourth Proportional to 87,535.92, 131,321.07 and 31,360.89

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Solution

The fourth proportional to 87,535.92, 131,321.07 and 31,360.89 is: 47,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,535.92 : 131,321.07 = 31,360.89 : x
  2. Step 2: Convert to fraction form
    87,535.92/131,321.07 = 31,360.89/x
  3. Step 3: Cross multiply
    87,535.92x = 131,321.07 × 31,360.89
  4. Step 4: Simplify right side
    87,535.92x = 4,118,345,630.95
  5. Step 5: Solve for x
    x = 4,118,345,630.95/87,535.92
  6. Step 6: Final answer
    x = 47,047.49

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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.