Home / 68,708.12-94,815.54-38,494.70

Finding the Fourth Proportional to 68,708.12, 94,815.54 and 38,494.70

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Solution

The fourth proportional to 68,708.12, 94,815.54 and 38,494.70 is: 53,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,708.12 : 94,815.54 = 38,494.70 : x
  2. Step 2: Convert to fraction form
    68,708.12/94,815.54 = 38,494.70/x
  3. Step 3: Cross multiply
    68,708.12x = 94,815.54 × 38,494.70
  4. Step 4: Simplify right side
    68,708.12x = 3,649,895,767.64
  5. Step 5: Solve for x
    x = 3,649,895,767.64/68,708.12
  6. Step 6: Final answer
    x = 53,121.75

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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.