Home / 68,233.20-102,349.80-50,737.20

Finding the Fourth Proportional to 68,233.20, 102,349.80 and 50,737.20

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Solution

The fourth proportional to 68,233.20, 102,349.80 and 50,737.20 is: 76,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,233.20 : 102,349.80 = 50,737.20 : x
  2. Step 2: Convert to fraction form
    68,233.20/102,349.80 = 50,737.20/x
  3. Step 3: Cross multiply
    68,233.20x = 102,349.80 × 50,737.20
  4. Step 4: Simplify right side
    68,233.20x = 5,192,942,272.56
  5. Step 5: Solve for x
    x = 5,192,942,272.56/68,233.20
  6. Step 6: Final answer
    x = 76,105.80

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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.