Home / 29,078.28-43,617.78-8,301.78

Finding the Fourth Proportional to 29,078.28, 43,617.78 and 8,301.78

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Solution

The fourth proportional to 29,078.28, 43,617.78 and 8,301.78 is: 12,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.28 : 43,617.78 = 8,301.78 : x
  2. Step 2: Convert to fraction form
    29,078.28/43,617.78 = 8,301.78/x
  3. Step 3: Cross multiply
    29,078.28x = 43,617.78 × 8,301.78
  4. Step 4: Simplify right side
    29,078.28x = 362,105,213.65
  5. Step 5: Solve for x
    x = 362,105,213.65/29,078.28
  6. Step 6: Final answer
    x = 12,452.77

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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.