Home / 80,413.62-110,898.12-50,201.70

Finding the Fourth Proportional to 80,413.62, 110,898.12 and 50,201.70

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Solution

The fourth proportional to 80,413.62, 110,898.12 and 50,201.70 is: 69,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,413.62 : 110,898.12 = 50,201.70 : x
  2. Step 2: Convert to fraction form
    80,413.62/110,898.12 = 50,201.70/x
  3. Step 3: Cross multiply
    80,413.62x = 110,898.12 × 50,201.70
  4. Step 4: Simplify right side
    80,413.62x = 5,567,274,150.80
  5. Step 5: Solve for x
    x = 5,567,274,150.80/80,413.62
  6. Step 6: Final answer
    x = 69,232.98

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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.