Home / 71,425.12-107,144.82-26,458.58

Finding the Fourth Proportional to 71,425.12, 107,144.82 and 26,458.58

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Solution

The fourth proportional to 71,425.12, 107,144.82 and 26,458.58 is: 39,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,425.12 : 107,144.82 = 26,458.58 : x
  2. Step 2: Convert to fraction form
    71,425.12/107,144.82 = 26,458.58/x
  3. Step 3: Cross multiply
    71,425.12x = 107,144.82 × 26,458.58
  4. Step 4: Simplify right side
    71,425.12x = 2,834,899,123.54
  5. Step 5: Solve for x
    x = 2,834,899,123.54/71,425.12
  6. Step 6: Final answer
    x = 39,690.51

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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.