Home / 107,540.88-161,344.14-54,987.27

Finding the Fourth Proportional to 107,540.88, 161,344.14 and 54,987.27

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Solution

The fourth proportional to 107,540.88, 161,344.14 and 54,987.27 is: 82,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,540.88 : 161,344.14 = 54,987.27 : x
  2. Step 2: Convert to fraction form
    107,540.88/161,344.14 = 54,987.27/x
  3. Step 3: Cross multiply
    107,540.88x = 161,344.14 × 54,987.27
  4. Step 4: Simplify right side
    107,540.88x = 8,871,873,789.10
  5. Step 5: Solve for x
    x = 8,871,873,789.10/107,540.88
  6. Step 6: Final answer
    x = 82,497.69

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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.