Home / 68,380.44-102,337.20-57,299.64

Finding the Fourth Proportional to 68,380.44, 102,337.20 and 57,299.64

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Solution

The fourth proportional to 68,380.44, 102,337.20 and 57,299.64 is: 85,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,380.44 : 102,337.20 = 57,299.64 : x
  2. Step 2: Convert to fraction form
    68,380.44/102,337.20 = 57,299.64/x
  3. Step 3: Cross multiply
    68,380.44x = 102,337.20 × 57,299.64
  4. Step 4: Simplify right side
    68,380.44x = 5,863,884,718.61
  5. Step 5: Solve for x
    x = 5,863,884,718.61/68,380.44
  6. Step 6: Final answer
    x = 85,753.83

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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.