Home / 83,939.88-125,830.68-41,780.10

Finding the Fourth Proportional to 83,939.88, 125,830.68 and 41,780.10

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Solution

The fourth proportional to 83,939.88, 125,830.68 and 41,780.10 is: 62,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,939.88 : 125,830.68 = 41,780.10 : x
  2. Step 2: Convert to fraction form
    83,939.88/125,830.68 = 41,780.10/x
  3. Step 3: Cross multiply
    83,939.88x = 125,830.68 × 41,780.10
  4. Step 4: Simplify right side
    83,939.88x = 5,257,218,708.66
  5. Step 5: Solve for x
    x = 5,257,218,708.66/83,939.88
  6. Step 6: Final answer
    x = 62,630.76

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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.