Home / 54,231.26-81,399.38-26,171.03

Finding the Fourth Proportional to 54,231.26, 81,399.38 and 26,171.03

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Solution

The fourth proportional to 54,231.26, 81,399.38 and 26,171.03 is: 39,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.26 : 81,399.38 = 26,171.03 : x
  2. Step 2: Convert to fraction form
    54,231.26/81,399.38 = 26,171.03/x
  3. Step 3: Cross multiply
    54,231.26x = 81,399.38 × 26,171.03
  4. Step 4: Simplify right side
    54,231.26x = 2,130,305,078.11
  5. Step 5: Solve for x
    x = 2,130,305,078.11/54,231.26
  6. Step 6: Final answer
    x = 39,281.87

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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.