Home / 68,016.80-101,938.58-38,451.08

Finding the Fourth Proportional to 68,016.80, 101,938.58 and 38,451.08

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Solution

The fourth proportional to 68,016.80, 101,938.58 and 38,451.08 is: 57,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,016.80 : 101,938.58 = 38,451.08 : x
  2. Step 2: Convert to fraction form
    68,016.80/101,938.58 = 38,451.08/x
  3. Step 3: Cross multiply
    68,016.80x = 101,938.58 × 38,451.08
  4. Step 4: Simplify right side
    68,016.80x = 3,919,648,494.67
  5. Step 5: Solve for x
    x = 3,919,648,494.67/68,016.80
  6. Step 6: Final answer
    x = 57,627.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.