Home / 29,180.49-43,767.09-8,122.11

Finding the Fourth Proportional to 29,180.49, 43,767.09 and 8,122.11

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Solution

The fourth proportional to 29,180.49, 43,767.09 and 8,122.11 is: 12,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.49 : 43,767.09 = 8,122.11 : x
  2. Step 2: Convert to fraction form
    29,180.49/43,767.09 = 8,122.11/x
  3. Step 3: Cross multiply
    29,180.49x = 43,767.09 × 8,122.11
  4. Step 4: Simplify right side
    29,180.49x = 355,481,119.36
  5. Step 5: Solve for x
    x = 355,481,119.36/29,180.49
  6. Step 6: Final answer
    x = 12,182.15

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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.