Home / 84,229.50-126,301.95-28,049.76

Finding the Fourth Proportional to 84,229.50, 126,301.95 and 28,049.76

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Solution

The fourth proportional to 84,229.50, 126,301.95 and 28,049.76 is: 42,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,229.50 : 126,301.95 = 28,049.76 : x
  2. Step 2: Convert to fraction form
    84,229.50/126,301.95 = 28,049.76/x
  3. Step 3: Cross multiply
    84,229.50x = 126,301.95 × 28,049.76
  4. Step 4: Simplify right side
    84,229.50x = 3,542,739,385.03
  5. Step 5: Solve for x
    x = 3,542,739,385.03/84,229.50
  6. Step 6: Final answer
    x = 42,060.55

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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.