Home / 68,414.49-94,413.60-38,198.79

Finding the Fourth Proportional to 68,414.49, 94,413.60 and 38,198.79

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Solution

The fourth proportional to 68,414.49, 94,413.60 and 38,198.79 is: 52,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,414.49 : 94,413.60 = 38,198.79 : x
  2. Step 2: Convert to fraction form
    68,414.49/94,413.60 = 38,198.79/x
  3. Step 3: Cross multiply
    68,414.49x = 94,413.60 × 38,198.79
  4. Step 4: Simplify right side
    68,414.49x = 3,606,485,279.54
  5. Step 5: Solve for x
    x = 3,606,485,279.54/68,414.49
  6. Step 6: Final answer
    x = 52,715.23

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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.