Home / 107,257.43-148,052.27-66,452.87

Finding the Fourth Proportional to 107,257.43, 148,052.27 and 66,452.87

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Solution

The fourth proportional to 107,257.43, 148,052.27 and 66,452.87 is: 91,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,257.43 : 148,052.27 = 66,452.87 : x
  2. Step 2: Convert to fraction form
    107,257.43/148,052.27 = 66,452.87/x
  3. Step 3: Cross multiply
    107,257.43x = 148,052.27 × 66,452.87
  4. Step 4: Simplify right side
    107,257.43x = 9,838,497,919.25
  5. Step 5: Solve for x
    x = 9,838,497,919.25/107,257.43
  6. Step 6: Final answer
    x = 91,727.89

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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.