Home / 72,014.20-107,832.30-50,839.90

Finding the Fourth Proportional to 72,014.20, 107,832.30 and 50,839.90

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Solution

The fourth proportional to 72,014.20, 107,832.30 and 50,839.90 is: 76,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,014.20 : 107,832.30 = 50,839.90 : x
  2. Step 2: Convert to fraction form
    72,014.20/107,832.30 = 50,839.90/x
  3. Step 3: Cross multiply
    72,014.20x = 107,832.30 × 50,839.90
  4. Step 4: Simplify right side
    72,014.20x = 5,482,183,348.77
  5. Step 5: Solve for x
    x = 5,482,183,348.77/72,014.20
  6. Step 6: Final answer
    x = 76,126.42

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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.