Home / 68,273.28-102,234.24-54,883.20

Finding the Fourth Proportional to 68,273.28, 102,234.24 and 54,883.20

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Solution

The fourth proportional to 68,273.28, 102,234.24 and 54,883.20 is: 82,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,273.28 : 102,234.24 = 54,883.20 : x
  2. Step 2: Convert to fraction form
    68,273.28/102,234.24 = 54,883.20/x
  3. Step 3: Cross multiply
    68,273.28x = 102,234.24 × 54,883.20
  4. Step 4: Simplify right side
    68,273.28x = 5,610,942,240.77
  5. Step 5: Solve for x
    x = 5,610,942,240.77/68,273.28
  6. Step 6: Final answer
    x = 82,183.58

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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.