Home / 89,767.56-123,874.17-49,481.22

Finding the Fourth Proportional to 89,767.56, 123,874.17 and 49,481.22

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Solution

The fourth proportional to 89,767.56, 123,874.17 and 49,481.22 is: 68,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,767.56 : 123,874.17 = 49,481.22 : x
  2. Step 2: Convert to fraction form
    89,767.56/123,874.17 = 49,481.22/x
  3. Step 3: Cross multiply
    89,767.56x = 123,874.17 × 49,481.22
  4. Step 4: Simplify right side
    89,767.56x = 6,129,445,058.09
  5. Step 5: Solve for x
    x = 6,129,445,058.09/89,767.56
  6. Step 6: Final answer
    x = 68,281.29

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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.