Home / 71,179.24-106,781.28-31,735.48

Finding the Fourth Proportional to 71,179.24, 106,781.28 and 31,735.48

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Solution

The fourth proportional to 71,179.24, 106,781.28 and 31,735.48 is: 47,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179.24 : 106,781.28 = 31,735.48 : x
  2. Step 2: Convert to fraction form
    71,179.24/106,781.28 = 31,735.48/x
  3. Step 3: Cross multiply
    71,179.24x = 106,781.28 × 31,735.48
  4. Step 4: Simplify right side
    71,179.24x = 3,388,755,175.81
  5. Step 5: Solve for x
    x = 3,388,755,175.81/71,179.24
  6. Step 6: Final answer
    x = 47,608.76

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1.5x scale

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.