Home / 75,229.89-103,817.25-45,016.47

Finding the Fourth Proportional to 75,229.89, 103,817.25 and 45,016.47

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Solution

The fourth proportional to 75,229.89, 103,817.25 and 45,016.47 is: 62,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,229.89 : 103,817.25 = 45,016.47 : x
  2. Step 2: Convert to fraction form
    75,229.89/103,817.25 = 45,016.47/x
  3. Step 3: Cross multiply
    75,229.89x = 103,817.25 × 45,016.47
  4. Step 4: Simplify right side
    75,229.89x = 4,673,486,120.11
  5. Step 5: Solve for x
    x = 4,673,486,120.11/75,229.89
  6. Step 6: Final answer
    x = 62,122.73

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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.