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Finding the Fourth Proportional to 80,050.46, 110,520.63 and 49,879.89

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Solution

The fourth proportional to 80,050.46, 110,520.63 and 49,879.89 is: 68,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,050.46 : 110,520.63 = 49,879.89 : x
  2. Step 2: Convert to fraction form
    80,050.46/110,520.63 = 49,879.89/x
  3. Step 3: Cross multiply
    80,050.46x = 110,520.63 × 49,879.89
  4. Step 4: Simplify right side
    80,050.46x = 5,512,756,867.13
  5. Step 5: Solve for x
    x = 5,512,756,867.13/80,050.46
  6. Step 6: Final answer
    x = 68,866.03

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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.