Home / 74,108.92-111,170.67-27,350.86

Finding the Fourth Proportional to 74,108.92, 111,170.67 and 27,350.86

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Solution

The fourth proportional to 74,108.92, 111,170.67 and 27,350.86 is: 41,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,108.92 : 111,170.67 = 27,350.86 : x
  2. Step 2: Convert to fraction form
    74,108.92/111,170.67 = 27,350.86/x
  3. Step 3: Cross multiply
    74,108.92x = 111,170.67 × 27,350.86
  4. Step 4: Simplify right side
    74,108.92x = 3,040,613,431.28
  5. Step 5: Solve for x
    x = 3,040,613,431.28/74,108.92
  6. Step 6: Final answer
    x = 41,028.98

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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.