Home / 47,793.06-71,661.11-18,213.21

Finding the Fourth Proportional to 47,793.06, 71,661.11 and 18,213.21

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Solution

The fourth proportional to 47,793.06, 71,661.11 and 18,213.21 is: 27,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,793.06 : 71,661.11 = 18,213.21 : x
  2. Step 2: Convert to fraction form
    47,793.06/71,661.11 = 18,213.21/x
  3. Step 3: Cross multiply
    47,793.06x = 71,661.11 × 18,213.21
  4. Step 4: Simplify right side
    47,793.06x = 1,305,178,754.20
  5. Step 5: Solve for x
    x = 1,305,178,754.20/47,793.06
  6. Step 6: Final answer
    x = 27,308.96

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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.