Home / 71,121.05-106,685.67-26,748.18

Finding the Fourth Proportional to 71,121.05, 106,685.67 and 26,748.18

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Solution

The fourth proportional to 71,121.05, 106,685.67 and 26,748.18 is: 40,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,121.05 : 106,685.67 = 26,748.18 : x
  2. Step 2: Convert to fraction form
    71,121.05/106,685.67 = 26,748.18/x
  3. Step 3: Cross multiply
    71,121.05x = 106,685.67 × 26,748.18
  4. Step 4: Simplify right side
    71,121.05x = 2,853,647,504.58
  5. Step 5: Solve for x
    x = 2,853,647,504.58/71,121.05
  6. Step 6: Final answer
    x = 40,123.81

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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.