Home / 81,095.11-121,654.24-24,939.90

Finding the Fourth Proportional to 81,095.11, 121,654.24 and 24,939.90

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Solution

The fourth proportional to 81,095.11, 121,654.24 and 24,939.90 is: 37,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,095.11 : 121,654.24 = 24,939.90 : x
  2. Step 2: Convert to fraction form
    81,095.11/121,654.24 = 24,939.90/x
  3. Step 3: Cross multiply
    81,095.11x = 121,654.24 × 24,939.90
  4. Step 4: Simplify right side
    81,095.11x = 3,034,044,517.83
  5. Step 5: Solve for x
    x = 3,034,044,517.83/81,095.11
  6. Step 6: Final answer
    x = 37,413.41

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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.