Home / 29,179.31-43,768.98-8,119.34

Finding the Fourth Proportional to 29,179.31, 43,768.98 and 8,119.34

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Solution

The fourth proportional to 29,179.31, 43,768.98 and 8,119.34 is: 12,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,179.31 : 43,768.98 = 8,119.34 : x
  2. Step 2: Convert to fraction form
    29,179.31/43,768.98 = 8,119.34/x
  3. Step 3: Cross multiply
    29,179.31x = 43,768.98 × 8,119.34
  4. Step 4: Simplify right side
    29,179.31x = 355,375,011.23
  5. Step 5: Solve for x
    x = 355,375,011.23/29,179.31
  6. Step 6: Final answer
    x = 12,179.01

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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.