Home / 71,174.25-98,211.96-39,338.82

Finding the Fourth Proportional to 71,174.25, 98,211.96 and 39,338.82

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Solution

The fourth proportional to 71,174.25, 98,211.96 and 39,338.82 is: 54,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,174.25 : 98,211.96 = 39,338.82 : x
  2. Step 2: Convert to fraction form
    71,174.25/98,211.96 = 39,338.82/x
  3. Step 3: Cross multiply
    71,174.25x = 98,211.96 × 39,338.82
  4. Step 4: Simplify right side
    71,174.25x = 3,863,542,616.29
  5. Step 5: Solve for x
    x = 3,863,542,616.29/71,174.25
  6. Step 6: Final answer
    x = 54,282.87

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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.