Home / 71,704.82-98,948.57-39,873.03

Finding the Fourth Proportional to 71,704.82, 98,948.57 and 39,873.03

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Solution

The fourth proportional to 71,704.82, 98,948.57 and 39,873.03 is: 55,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,704.82 : 98,948.57 = 39,873.03 : x
  2. Step 2: Convert to fraction form
    71,704.82/98,948.57 = 39,873.03/x
  3. Step 3: Cross multiply
    71,704.82x = 98,948.57 × 39,873.03
  4. Step 4: Simplify right side
    71,704.82x = 3,945,379,100.70
  5. Step 5: Solve for x
    x = 3,945,379,100.70/71,704.82
  6. Step 6: Final answer
    x = 55,022.51

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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.