Home / 83,480.20-115,198.84-45,753.64

Finding the Fourth Proportional to 83,480.20, 115,198.84 and 45,753.64

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Solution

The fourth proportional to 83,480.20, 115,198.84 and 45,753.64 is: 63,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,480.20 : 115,198.84 = 45,753.64 : x
  2. Step 2: Convert to fraction form
    83,480.20/115,198.84 = 45,753.64/x
  3. Step 3: Cross multiply
    83,480.20x = 115,198.84 × 45,753.64
  4. Step 4: Simplify right side
    83,480.20x = 5,270,766,253.78
  5. Step 5: Solve for x
    x = 5,270,766,253.78/83,480.20
  6. Step 6: Final answer
    x = 63,137.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.