Home / 80,504.86-111,097.11-50,307.73

Finding the Fourth Proportional to 80,504.86, 111,097.11 and 50,307.73

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Solution

The fourth proportional to 80,504.86, 111,097.11 and 50,307.73 is: 69,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,504.86 : 111,097.11 = 50,307.73 : x
  2. Step 2: Convert to fraction form
    80,504.86/111,097.11 = 50,307.73/x
  3. Step 3: Cross multiply
    80,504.86x = 111,097.11 × 50,307.73
  4. Step 4: Simplify right side
    80,504.86x = 5,589,043,413.66
  5. Step 5: Solve for x
    x = 5,589,043,413.66/80,504.86
  6. Step 6: Final answer
    x = 69,424.92

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1.5x scale

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.