Home / 83,120.28-124,758.18-41,047.88

Finding the Fourth Proportional to 83,120.28, 124,758.18 and 41,047.88

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Solution

The fourth proportional to 83,120.28, 124,758.18 and 41,047.88 is: 61,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,120.28 : 124,758.18 = 41,047.88 : x
  2. Step 2: Convert to fraction form
    83,120.28/124,758.18 = 41,047.88/x
  3. Step 3: Cross multiply
    83,120.28x = 124,758.18 × 41,047.88
  4. Step 4: Simplify right side
    83,120.28x = 5,121,058,177.87
  5. Step 5: Solve for x
    x = 5,121,058,177.87/83,120.28
  6. Step 6: Final answer
    x = 61,610.21

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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.