Home / 71,707.57-107,557.25-27,338.80

Finding the Fourth Proportional to 71,707.57, 107,557.25 and 27,338.80

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Solution

The fourth proportional to 71,707.57, 107,557.25 and 27,338.80 is: 41,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,707.57 : 107,557.25 = 27,338.80 : x
  2. Step 2: Convert to fraction form
    71,707.57/107,557.25 = 27,338.80/x
  3. Step 3: Cross multiply
    71,707.57x = 107,557.25 × 27,338.80
  4. Step 4: Simplify right side
    71,707.57x = 2,940,486,146.30
  5. Step 5: Solve for x
    x = 2,940,486,146.30/71,707.57
  6. Step 6: Final answer
    x = 41,006.63

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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.