Home / 71,506.44-107,260.26-18,198.45

Finding the Fourth Proportional to 71,506.44, 107,260.26 and 18,198.45

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Solution

The fourth proportional to 71,506.44, 107,260.26 and 18,198.45 is: 27,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,506.44 : 107,260.26 = 18,198.45 : x
  2. Step 2: Convert to fraction form
    71,506.44/107,260.26 = 18,198.45/x
  3. Step 3: Cross multiply
    71,506.44x = 107,260.26 × 18,198.45
  4. Step 4: Simplify right side
    71,506.44x = 1,951,970,478.60
  5. Step 5: Solve for x
    x = 1,951,970,478.60/71,506.44
  6. Step 6: Final answer
    x = 27,297.83

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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.