Home / 83,520.12-125,113.28-50,221.92

Finding the Fourth Proportional to 83,520.12, 125,113.28 and 50,221.92

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Solution

The fourth proportional to 83,520.12, 125,113.28 and 50,221.92 is: 75,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,520.12 : 125,113.28 = 50,221.92 : x
  2. Step 2: Convert to fraction form
    83,520.12/125,113.28 = 50,221.92/x
  3. Step 3: Cross multiply
    83,520.12x = 125,113.28 × 50,221.92
  4. Step 4: Simplify right side
    83,520.12x = 6,283,429,139.10
  5. Step 5: Solve for x
    x = 6,283,429,139.10/83,520.12
  6. Step 6: Final answer
    x = 75,232.52

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1.5x scale

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.