Home / 29,204.27-43,805.78-8,143.75

Finding the Fourth Proportional to 29,204.27, 43,805.78 and 8,143.75

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Solution

The fourth proportional to 29,204.27, 43,805.78 and 8,143.75 is: 12,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,204.27 : 43,805.78 = 8,143.75 : x
  2. Step 2: Convert to fraction form
    29,204.27/43,805.78 = 8,143.75/x
  3. Step 3: Cross multiply
    29,204.27x = 43,805.78 × 8,143.75
  4. Step 4: Simplify right side
    29,204.27x = 356,743,462.86
  5. Step 5: Solve for x
    x = 356,743,462.86/29,204.27
  6. Step 6: Final answer
    x = 12,215.45

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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.