Home / 106,115.40-146,439-60,793.56

Finding the Fourth Proportional to 106,115.40, 146,439 and 60,793.56

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Solution

The fourth proportional to 106,115.40, 146,439 and 60,793.56 is: 83,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,115.40 : 146,439 = 60,793.56 : x
  2. Step 2: Convert to fraction form
    106,115.40/146,439 = 60,793.56/x
  3. Step 3: Cross multiply
    106,115.40x = 146,439 × 60,793.56
  4. Step 4: Simplify right side
    106,115.40x = 8,902,548,132.84
  5. Step 5: Solve for x
    x = 8,902,548,132.84/106,115.40
  6. Step 6: Final answer
    x = 83,894.97

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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.