Home / 67,110.19-100,591.44-27,645.78

Finding the Fourth Proportional to 67,110.19, 100,591.44 and 27,645.78

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Solution

The fourth proportional to 67,110.19, 100,591.44 and 27,645.78 is: 41,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,110.19 : 100,591.44 = 27,645.78 : x
  2. Step 2: Convert to fraction form
    67,110.19/100,591.44 = 27,645.78/x
  3. Step 3: Cross multiply
    67,110.19x = 100,591.44 × 27,645.78
  4. Step 4: Simplify right side
    67,110.19x = 2,780,928,820.12
  5. Step 5: Solve for x
    x = 2,780,928,820.12/67,110.19
  6. Step 6: Final answer
    x = 41,438.25

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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.