Home / 107,399.20-148,194.42-62,068.43

Finding the Fourth Proportional to 107,399.20, 148,194.42 and 62,068.43

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Solution

The fourth proportional to 107,399.20, 148,194.42 and 62,068.43 is: 85,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,399.20 : 148,194.42 = 62,068.43 : x
  2. Step 2: Convert to fraction form
    107,399.20/148,194.42 = 62,068.43/x
  3. Step 3: Cross multiply
    107,399.20x = 148,194.42 × 62,068.43
  4. Step 4: Simplify right side
    107,399.20x = 9,198,193,932.85
  5. Step 5: Solve for x
    x = 9,198,193,932.85/107,399.20
  6. Step 6: Final answer
    x = 85,644.91

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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.