Home / 47,865.90-71,930.61-25,695.66

Finding the Fourth Proportional to 47,865.90, 71,930.61 and 25,695.66

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Solution

The fourth proportional to 47,865.90, 71,930.61 and 25,695.66 is: 38,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,865.90 : 71,930.61 = 25,695.66 : x
  2. Step 2: Convert to fraction form
    47,865.90/71,930.61 = 25,695.66/x
  3. Step 3: Cross multiply
    47,865.90x = 71,930.61 × 25,695.66
  4. Step 4: Simplify right side
    47,865.90x = 1,848,304,498.15
  5. Step 5: Solve for x
    x = 1,848,304,498.15/47,865.90
  6. Step 6: Final answer
    x = 38,614.22

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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.