Home / 71,067.38-98,073.13-39,236.34

Finding the Fourth Proportional to 71,067.38, 98,073.13 and 39,236.34

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Solution

The fourth proportional to 71,067.38, 98,073.13 and 39,236.34 is: 54,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,067.38 : 98,073.13 = 39,236.34 : x
  2. Step 2: Convert to fraction form
    71,067.38/98,073.13 = 39,236.34/x
  3. Step 3: Cross multiply
    71,067.38x = 98,073.13 × 39,236.34
  4. Step 4: Simplify right side
    71,067.38x = 3,848,030,673.54
  5. Step 5: Solve for x
    x = 3,848,030,673.54/71,067.38
  6. Step 6: Final answer
    x = 54,146.23

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1.5x scale

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.