Home / 71,906.32-99,227.19-40,069.27

Finding the Fourth Proportional to 71,906.32, 99,227.19 and 40,069.27

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Solution

The fourth proportional to 71,906.32, 99,227.19 and 40,069.27 is: 55,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,906.32 : 99,227.19 = 40,069.27 : x
  2. Step 2: Convert to fraction form
    71,906.32/99,227.19 = 40,069.27/x
  3. Step 3: Cross multiply
    71,906.32x = 99,227.19 × 40,069.27
  4. Step 4: Simplify right side
    71,906.32x = 3,975,961,067.45
  5. Step 5: Solve for x
    x = 3,975,961,067.45/71,906.32
  6. Step 6: Final answer
    x = 55,293.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.