Home / 68,236.05-102,229.34-49,469.61

Finding the Fourth Proportional to 68,236.05, 102,229.34 and 49,469.61

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Solution

The fourth proportional to 68,236.05, 102,229.34 and 49,469.61 is: 74,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,236.05 : 102,229.34 = 49,469.61 : x
  2. Step 2: Convert to fraction form
    68,236.05/102,229.34 = 49,469.61/x
  3. Step 3: Cross multiply
    68,236.05x = 102,229.34 × 49,469.61
  4. Step 4: Simplify right side
    68,236.05x = 5,057,245,333.01
  5. Step 5: Solve for x
    x = 5,057,245,333.01/68,236.05
  6. Step 6: Final answer
    x = 74,113.98

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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.