Home / 29,177.87-43,763.15-8,119.49

Finding the Fourth Proportional to 29,177.87, 43,763.15 and 8,119.49

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Solution

The fourth proportional to 29,177.87, 43,763.15 and 8,119.49 is: 12,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,177.87 : 43,763.15 = 8,119.49 : x
  2. Step 2: Convert to fraction form
    29,177.87/43,763.15 = 8,119.49/x
  3. Step 3: Cross multiply
    29,177.87x = 43,763.15 × 8,119.49
  4. Step 4: Simplify right side
    29,177.87x = 355,334,260.28
  5. Step 5: Solve for x
    x = 355,334,260.28/29,177.87
  6. Step 6: Final answer
    x = 12,178.21

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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.