Home / 107,472.38-148,265.82-67,116.11

Finding the Fourth Proportional to 107,472.38, 148,265.82 and 67,116.11

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Solution

The fourth proportional to 107,472.38, 148,265.82 and 67,116.11 is: 92,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,472.38 : 148,265.82 = 67,116.11 : x
  2. Step 2: Convert to fraction form
    107,472.38/148,265.82 = 67,116.11/x
  3. Step 3: Cross multiply
    107,472.38x = 148,265.82 × 67,116.11
  4. Step 4: Simplify right side
    107,472.38x = 9,951,024,343.03
  5. Step 5: Solve for x
    x = 9,951,024,343.03/107,472.38
  6. Step 6: Final answer
    x = 92,591.46

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1.5x scale

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.