Home / 80,387.33-120,550.09-38,234.93

Finding the Fourth Proportional to 80,387.33, 120,550.09 and 38,234.93

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Solution

The fourth proportional to 80,387.33, 120,550.09 and 38,234.93 is: 57,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,387.33 : 120,550.09 = 38,234.93 : x
  2. Step 2: Convert to fraction form
    80,387.33/120,550.09 = 38,234.93/x
  3. Step 3: Cross multiply
    80,387.33x = 120,550.09 × 38,234.93
  4. Step 4: Simplify right side
    80,387.33x = 4,609,224,252.64
  5. Step 5: Solve for x
    x = 4,609,224,252.64/80,387.33
  6. Step 6: Final answer
    x = 57,337.70

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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.