Home / 115,817.73-173,756.55-67,826.86

Finding the Fourth Proportional to 115,817.73, 173,756.55 and 67,826.86

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Solution

The fourth proportional to 115,817.73, 173,756.55 and 67,826.86 is: 101,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,817.73 : 173,756.55 = 67,826.86 : x
  2. Step 2: Convert to fraction form
    115,817.73/173,756.55 = 67,826.86/x
  3. Step 3: Cross multiply
    115,817.73x = 173,756.55 × 67,826.86
  4. Step 4: Simplify right side
    115,817.73x = 11,785,361,190.93
  5. Step 5: Solve for x
    x = 11,785,361,190.93/115,817.73
  6. Step 6: Final answer
    x = 101,757.83

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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.