Home / 71,909.03-107,912.15-25,162.31

Finding the Fourth Proportional to 71,909.03, 107,912.15 and 25,162.31

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Solution

The fourth proportional to 71,909.03, 107,912.15 and 25,162.31 is: 37,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,909.03 : 107,912.15 = 25,162.31 : x
  2. Step 2: Convert to fraction form
    71,909.03/107,912.15 = 25,162.31/x
  3. Step 3: Cross multiply
    71,909.03x = 107,912.15 × 25,162.31
  4. Step 4: Simplify right side
    71,909.03x = 2,715,318,845.25
  5. Step 5: Solve for x
    x = 2,715,318,845.25/71,909.03
  6. Step 6: Final answer
    x = 37,760.47

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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.