Home / 83,974.12-125,959.08-34,040.86

Finding the Fourth Proportional to 83,974.12, 125,959.08 and 34,040.86

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Solution

The fourth proportional to 83,974.12, 125,959.08 and 34,040.86 is: 51,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,974.12 : 125,959.08 = 34,040.86 : x
  2. Step 2: Convert to fraction form
    83,974.12/125,959.08 = 34,040.86/x
  3. Step 3: Cross multiply
    83,974.12x = 125,959.08 × 34,040.86
  4. Step 4: Simplify right side
    83,974.12x = 4,287,755,408.01
  5. Step 5: Solve for x
    x = 4,287,755,408.01/83,974.12
  6. Step 6: Final answer
    x = 51,060.44

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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.