Home / 111,310.41-167,020.43-52,135.86

Finding the Fourth Proportional to 111,310.41, 167,020.43 and 52,135.86

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Solution

The fourth proportional to 111,310.41, 167,020.43 and 52,135.86 is: 78,229.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,310.41 : 167,020.43 = 52,135.86 : x
  2. Step 2: Convert to fraction form
    111,310.41/167,020.43 = 52,135.86/x
  3. Step 3: Cross multiply
    111,310.41x = 167,020.43 × 52,135.86
  4. Step 4: Simplify right side
    111,310.41x = 8,707,753,755.62
  5. Step 5: Solve for x
    x = 8,707,753,755.62/111,310.41
  6. Step 6: Final answer
    x = 78,229.46

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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.