Home / 106,757.38-159,902.79-54,076.42

Finding the Fourth Proportional to 106,757.38, 159,902.79 and 54,076.42

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Solution

The fourth proportional to 106,757.38, 159,902.79 and 54,076.42 is: 80,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,757.38 : 159,902.79 = 54,076.42 : x
  2. Step 2: Convert to fraction form
    106,757.38/159,902.79 = 54,076.42/x
  3. Step 3: Cross multiply
    106,757.38x = 159,902.79 × 54,076.42
  4. Step 4: Simplify right side
    106,757.38x = 8,646,970,431.21
  5. Step 5: Solve for x
    x = 8,646,970,431.21/106,757.38
  6. Step 6: Final answer
    x = 80,996.47

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1.5x scale

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.