Home / 54,112.56-81,171.72-17,179.44

Finding the Fourth Proportional to 54,112.56, 81,171.72 and 17,179.44

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Solution

The fourth proportional to 54,112.56, 81,171.72 and 17,179.44 is: 25,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.56 : 81,171.72 = 17,179.44 : x
  2. Step 2: Convert to fraction form
    54,112.56/81,171.72 = 17,179.44/x
  3. Step 3: Cross multiply
    54,112.56x = 81,171.72 × 17,179.44
  4. Step 4: Simplify right side
    54,112.56x = 1,394,484,693.44
  5. Step 5: Solve for x
    x = 1,394,484,693.44/54,112.56
  6. Step 6: Final answer
    x = 25,770.07

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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.