Home / 80,912.23-121,348.85-24,752.82

Finding the Fourth Proportional to 80,912.23, 121,348.85 and 24,752.82

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Solution

The fourth proportional to 80,912.23, 121,348.85 and 24,752.82 is: 37,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,912.23 : 121,348.85 = 24,752.82 : x
  2. Step 2: Convert to fraction form
    80,912.23/121,348.85 = 24,752.82/x
  3. Step 3: Cross multiply
    80,912.23x = 121,348.85 × 24,752.82
  4. Step 4: Simplify right side
    80,912.23x = 3,003,726,758.20
  5. Step 5: Solve for x
    x = 3,003,726,758.20/80,912.23
  6. Step 6: Final answer
    x = 37,123.27

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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.