Home / 29,175.82-43,763.77-8,115.86

Finding the Fourth Proportional to 29,175.82, 43,763.77 and 8,115.86

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Solution

The fourth proportional to 29,175.82, 43,763.77 and 8,115.86 is: 12,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,175.82 : 43,763.77 = 8,115.86 : x
  2. Step 2: Convert to fraction form
    29,175.82/43,763.77 = 8,115.86/x
  3. Step 3: Cross multiply
    29,175.82x = 43,763.77 × 8,115.86
  4. Step 4: Simplify right side
    29,175.82x = 355,180,727.12
  5. Step 5: Solve for x
    x = 355,180,727.12/29,175.82
  6. Step 6: Final answer
    x = 12,173.80

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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.