Home / 68,948.82-95,147.87-38,319.89

Finding the Fourth Proportional to 68,948.82, 95,147.87 and 38,319.89

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Solution

The fourth proportional to 68,948.82, 95,147.87 and 38,319.89 is: 52,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,948.82 : 95,147.87 = 38,319.89 : x
  2. Step 2: Convert to fraction form
    68,948.82/95,147.87 = 38,319.89/x
  3. Step 3: Cross multiply
    68,948.82x = 95,147.87 × 38,319.89
  4. Step 4: Simplify right side
    68,948.82x = 3,646,055,244.80
  5. Step 5: Solve for x
    x = 3,646,055,244.80/68,948.82
  6. Step 6: Final answer
    x = 52,880.60

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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.