Home / 71,207.12-98,266.92-39,375.44

Finding the Fourth Proportional to 71,207.12, 98,266.92 and 39,375.44

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Solution

The fourth proportional to 71,207.12, 98,266.92 and 39,375.44 is: 54,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,207.12 : 98,266.92 = 39,375.44 : x
  2. Step 2: Convert to fraction form
    71,207.12/98,266.92 = 39,375.44/x
  3. Step 3: Cross multiply
    71,207.12x = 98,266.92 × 39,375.44
  4. Step 4: Simplify right side
    71,207.12x = 3,869,303,212.44
  5. Step 5: Solve for x
    x = 3,869,303,212.44/71,207.12
  6. Step 6: Final answer
    x = 54,338.71

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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.