Home / 74,620.43-102,942.92-50,413.61

Finding the Fourth Proportional to 74,620.43, 102,942.92 and 50,413.61

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Solution

The fourth proportional to 74,620.43, 102,942.92 and 50,413.61 is: 69,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,620.43 : 102,942.92 = 50,413.61 : x
  2. Step 2: Convert to fraction form
    74,620.43/102,942.92 = 50,413.61/x
  3. Step 3: Cross multiply
    74,620.43x = 102,942.92 × 50,413.61
  4. Step 4: Simplify right side
    74,620.43x = 5,189,723,454.36
  5. Step 5: Solve for x
    x = 5,189,723,454.36/74,620.43
  6. Step 6: Final answer
    x = 69,548.30

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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.