Home / 83,319.20-125,020.71-33,434.94

Finding the Fourth Proportional to 83,319.20, 125,020.71 and 33,434.94

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Solution

The fourth proportional to 83,319.20, 125,020.71 and 33,434.94 is: 50,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,319.20 : 125,020.71 = 33,434.94 : x
  2. Step 2: Convert to fraction form
    83,319.20/125,020.71 = 33,434.94/x
  3. Step 3: Cross multiply
    83,319.20x = 125,020.71 × 33,434.94
  4. Step 4: Simplify right side
    83,319.20x = 4,180,059,937.61
  5. Step 5: Solve for x
    x = 4,180,059,937.61/83,319.20
  6. Step 6: Final answer
    x = 50,169.23

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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.