Home / 89,183.20-123,072.33-48,898.66

Finding the Fourth Proportional to 89,183.20, 123,072.33 and 48,898.66

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Solution

The fourth proportional to 89,183.20, 123,072.33 and 48,898.66 is: 67,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.20 : 123,072.33 = 48,898.66 : x
  2. Step 2: Convert to fraction form
    89,183.20/123,072.33 = 48,898.66/x
  3. Step 3: Cross multiply
    89,183.20x = 123,072.33 × 48,898.66
  4. Step 4: Simplify right side
    89,183.20x = 6,018,072,020.08
  5. Step 5: Solve for x
    x = 6,018,072,020.08/89,183.20
  6. Step 6: Final answer
    x = 67,479.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.