Home / 80,537.15-120,752.40-38,423.73

Finding the Fourth Proportional to 80,537.15, 120,752.40 and 38,423.73

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Solution

The fourth proportional to 80,537.15, 120,752.40 and 38,423.73 is: 57,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.15 : 120,752.40 = 38,423.73 : x
  2. Step 2: Convert to fraction form
    80,537.15/120,752.40 = 38,423.73/x
  3. Step 3: Cross multiply
    80,537.15x = 120,752.40 × 38,423.73
  4. Step 4: Simplify right side
    80,537.15x = 4,639,757,614.45
  5. Step 5: Solve for x
    x = 4,639,757,614.45/80,537.15
  6. Step 6: Final answer
    x = 57,610.15

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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.