Home / 71,634.38-107,494.64-26,688.80

Finding the Fourth Proportional to 71,634.38, 107,494.64 and 26,688.80

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Solution

The fourth proportional to 71,634.38, 107,494.64 and 26,688.80 is: 40,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,634.38 : 107,494.64 = 26,688.80 : x
  2. Step 2: Convert to fraction form
    71,634.38/107,494.64 = 26,688.80/x
  3. Step 3: Cross multiply
    71,634.38x = 107,494.64 × 26,688.80
  4. Step 4: Simplify right side
    71,634.38x = 2,868,902,277.11
  5. Step 5: Solve for x
    x = 2,868,902,277.11/71,634.38
  6. Step 6: Final answer
    x = 40,049.24

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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.