Home / 80,076.44-110,505.48-43,778.02

Finding the Fourth Proportional to 80,076.44, 110,505.48 and 43,778.02

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Solution

The fourth proportional to 80,076.44, 110,505.48 and 43,778.02 is: 60,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,076.44 : 110,505.48 = 43,778.02 : x
  2. Step 2: Convert to fraction form
    80,076.44/110,505.48 = 43,778.02/x
  3. Step 3: Cross multiply
    80,076.44x = 110,505.48 × 43,778.02
  4. Step 4: Simplify right side
    80,076.44x = 4,837,711,113.55
  5. Step 5: Solve for x
    x = 4,837,711,113.55/80,076.44
  6. Step 6: Final answer
    x = 60,413.66

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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.