Home / 83,921.80-125,883.02-34,002.85

Finding the Fourth Proportional to 83,921.80, 125,883.02 and 34,002.85

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Solution

The fourth proportional to 83,921.80, 125,883.02 and 34,002.85 is: 51,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,921.80 : 125,883.02 = 34,002.85 : x
  2. Step 2: Convert to fraction form
    83,921.80/125,883.02 = 34,002.85/x
  3. Step 3: Cross multiply
    83,921.80x = 125,883.02 × 34,002.85
  4. Step 4: Simplify right side
    83,921.80x = 4,280,381,446.61
  5. Step 5: Solve for x
    x = 4,280,381,446.61/83,921.80
  6. Step 6: Final answer
    x = 51,004.40

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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.