Home / 87,960.90-131,938.11-38,053.56

Finding the Fourth Proportional to 87,960.90, 131,938.11 and 38,053.56

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Solution

The fourth proportional to 87,960.90, 131,938.11 and 38,053.56 is: 57,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960.90 : 131,938.11 = 38,053.56 : x
  2. Step 2: Convert to fraction form
    87,960.90/131,938.11 = 38,053.56/x
  3. Step 3: Cross multiply
    87,960.90x = 131,938.11 × 38,053.56
  4. Step 4: Simplify right side
    87,960.90x = 5,020,714,785.17
  5. Step 5: Solve for x
    x = 5,020,714,785.17/87,960.90
  6. Step 6: Final answer
    x = 57,078.94

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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.