Home / 80,226.42-120,376.50-30,323.85

Finding the Fourth Proportional to 80,226.42, 120,376.50 and 30,323.85

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Solution

The fourth proportional to 80,226.42, 120,376.50 and 30,323.85 is: 45,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,226.42 : 120,376.50 = 30,323.85 : x
  2. Step 2: Convert to fraction form
    80,226.42/120,376.50 = 30,323.85/x
  3. Step 3: Cross multiply
    80,226.42x = 120,376.50 × 30,323.85
  4. Step 4: Simplify right side
    80,226.42x = 3,650,278,929.53
  5. Step 5: Solve for x
    x = 3,650,278,929.53/80,226.42
  6. Step 6: Final answer
    x = 45,499.71

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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.