Home / 67,109.19-100,589.94-27,644.78

Finding the Fourth Proportional to 67,109.19, 100,589.94 and 27,644.78

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Solution

The fourth proportional to 67,109.19, 100,589.94 and 27,644.78 is: 41,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,109.19 : 100,589.94 = 27,644.78 : x
  2. Step 2: Convert to fraction form
    67,109.19/100,589.94 = 27,644.78/x
  3. Step 3: Cross multiply
    67,109.19x = 100,589.94 × 27,644.78
  4. Step 4: Simplify right side
    67,109.19x = 2,780,786,258.56
  5. Step 5: Solve for x
    x = 2,780,786,258.56/67,109.19
  6. Step 6: Final answer
    x = 41,436.74

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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.