Home / 71,629.41-98,844.25-39,797.22

Finding the Fourth Proportional to 71,629.41, 98,844.25 and 39,797.22

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Solution

The fourth proportional to 71,629.41, 98,844.25 and 39,797.22 is: 54,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,629.41 : 98,844.25 = 39,797.22 : x
  2. Step 2: Convert to fraction form
    71,629.41/98,844.25 = 39,797.22/x
  3. Step 3: Cross multiply
    71,629.41x = 98,844.25 × 39,797.22
  4. Step 4: Simplify right side
    71,629.41x = 3,933,726,708.78
  5. Step 5: Solve for x
    x = 3,933,726,708.78/71,629.41
  6. Step 6: Final answer
    x = 54,917.76

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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.