Home / 80,209.06-120,245.94-50,561.56

Finding the Fourth Proportional to 80,209.06, 120,245.94 and 50,561.56

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Solution

The fourth proportional to 80,209.06, 120,245.94 and 50,561.56 is: 75,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,209.06 : 120,245.94 = 50,561.56 : x
  2. Step 2: Convert to fraction form
    80,209.06/120,245.94 = 50,561.56/x
  3. Step 3: Cross multiply
    80,209.06x = 120,245.94 × 50,561.56
  4. Step 4: Simplify right side
    80,209.06x = 6,079,822,310.07
  5. Step 5: Solve for x
    x = 6,079,822,310.07/80,209.06
  6. Step 6: Final answer
    x = 75,799.70

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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.