Home / 80,515.39-120,792.05-24,355.96

Finding the Fourth Proportional to 80,515.39, 120,792.05 and 24,355.96

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Solution

The fourth proportional to 80,515.39, 120,792.05 and 24,355.96 is: 36,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,515.39 : 120,792.05 = 24,355.96 : x
  2. Step 2: Convert to fraction form
    80,515.39/120,792.05 = 24,355.96/x
  3. Step 3: Cross multiply
    80,515.39x = 120,792.05 × 24,355.96
  4. Step 4: Simplify right side
    80,515.39x = 2,942,006,338.12
  5. Step 5: Solve for x
    x = 2,942,006,338.12/80,515.39
  6. Step 6: Final answer
    x = 36,539.68

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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.