Home / 63,948.06-88,304.04-40,115.70

Finding the Fourth Proportional to 63,948.06, 88,304.04 and 40,115.70

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Solution

The fourth proportional to 63,948.06, 88,304.04 and 40,115.70 is: 55,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,948.06 : 88,304.04 = 40,115.70 : x
  2. Step 2: Convert to fraction form
    63,948.06/88,304.04 = 40,115.70/x
  3. Step 3: Cross multiply
    63,948.06x = 88,304.04 × 40,115.70
  4. Step 4: Simplify right side
    63,948.06x = 3,542,378,377.43
  5. Step 5: Solve for x
    x = 3,542,378,377.43/63,948.06
  6. Step 6: Final answer
    x = 55,394.62

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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.