Home / 107,909.57-148,915.85-62,614.52

Finding the Fourth Proportional to 107,909.57, 148,915.85 and 62,614.52

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Solution

The fourth proportional to 107,909.57, 148,915.85 and 62,614.52 is: 86,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,909.57 : 148,915.85 = 62,614.52 : x
  2. Step 2: Convert to fraction form
    107,909.57/148,915.85 = 62,614.52/x
  3. Step 3: Cross multiply
    107,909.57x = 148,915.85 × 62,614.52
  4. Step 4: Simplify right side
    107,909.57x = 9,324,294,321.13
  5. Step 5: Solve for x
    x = 9,324,294,321.13/107,909.57
  6. Step 6: Final answer
    x = 86,408.41

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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.