Home / 54,129.05-81,244.20-27,494.09

Finding the Fourth Proportional to 54,129.05, 81,244.20 and 27,494.09

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Solution

The fourth proportional to 54,129.05, 81,244.20 and 27,494.09 is: 41,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,129.05 : 81,244.20 = 27,494.09 : x
  2. Step 2: Convert to fraction form
    54,129.05/81,244.20 = 27,494.09/x
  3. Step 3: Cross multiply
    54,129.05x = 81,244.20 × 27,494.09
  4. Step 4: Simplify right side
    54,129.05x = 2,233,735,346.78
  5. Step 5: Solve for x
    x = 2,233,735,346.78/54,129.05
  6. Step 6: Final answer
    x = 41,266.85

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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.