Home / 80,786.87-121,176.05-24,625.62

Finding the Fourth Proportional to 80,786.87, 121,176.05 and 24,625.62

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Solution

The fourth proportional to 80,786.87, 121,176.05 and 24,625.62 is: 36,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,786.87 : 121,176.05 = 24,625.62 : x
  2. Step 2: Convert to fraction form
    80,786.87/121,176.05 = 24,625.62/x
  3. Step 3: Cross multiply
    80,786.87x = 121,176.05 × 24,625.62
  4. Step 4: Simplify right side
    80,786.87x = 2,984,035,375.79
  5. Step 5: Solve for x
    x = 2,984,035,375.79/80,786.87
  6. Step 6: Final answer
    x = 36,937.13

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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.