Home / 47,711.74-71,567.62-18,122.62

Finding the Fourth Proportional to 47,711.74, 71,567.62 and 18,122.62

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Solution

The fourth proportional to 47,711.74, 71,567.62 and 18,122.62 is: 27,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711.74 : 71,567.62 = 18,122.62 : x
  2. Step 2: Convert to fraction form
    47,711.74/71,567.62 = 18,122.62/x
  3. Step 3: Cross multiply
    47,711.74x = 71,567.62 × 18,122.62
  4. Step 4: Simplify right side
    47,711.74x = 1,296,992,781.56
  5. Step 5: Solve for x
    x = 1,296,992,781.56/47,711.74
  6. Step 6: Final answer
    x = 27,183.93

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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.