Home / 71,450.11-107,204.33-38,161.54

Finding the Fourth Proportional to 71,450.11, 107,204.33 and 38,161.54

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Solution

The fourth proportional to 71,450.11, 107,204.33 and 38,161.54 is: 57,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,450.11 : 107,204.33 = 38,161.54 : x
  2. Step 2: Convert to fraction form
    71,450.11/107,204.33 = 38,161.54/x
  3. Step 3: Cross multiply
    71,450.11x = 107,204.33 × 38,161.54
  4. Step 4: Simplify right side
    71,450.11x = 4,091,081,868.65
  5. Step 5: Solve for x
    x = 4,091,081,868.65/71,450.11
  6. Step 6: Final answer
    x = 57,257.88

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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.