Home / 54,921.38-75,791.63-29,770.88

Finding the Fourth Proportional to 54,921.38, 75,791.63 and 29,770.88

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Solution

The fourth proportional to 54,921.38, 75,791.63 and 29,770.88 is: 41,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.38 : 75,791.63 = 29,770.88 : x
  2. Step 2: Convert to fraction form
    54,921.38/75,791.63 = 29,770.88/x
  3. Step 3: Cross multiply
    54,921.38x = 75,791.63 × 29,770.88
  4. Step 4: Simplify right side
    54,921.38x = 2,256,383,562.36
  5. Step 5: Solve for x
    x = 2,256,383,562.36/54,921.38
  6. Step 6: Final answer
    x = 41,083.88

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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.