Home / 80,733.66-111,413.45-44,439.30

Finding the Fourth Proportional to 80,733.66, 111,413.45 and 44,439.30

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Solution

The fourth proportional to 80,733.66, 111,413.45 and 44,439.30 is: 61,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,733.66 : 111,413.45 = 44,439.30 : x
  2. Step 2: Convert to fraction form
    80,733.66/111,413.45 = 44,439.30/x
  3. Step 3: Cross multiply
    80,733.66x = 111,413.45 × 44,439.30
  4. Step 4: Simplify right side
    80,733.66x = 4,951,135,728.59
  5. Step 5: Solve for x
    x = 4,951,135,728.59/80,733.66
  6. Step 6: Final answer
    x = 61,326.78

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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.