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Finding the Fourth Proportional to 80,410.60, 110,893.99 and 50,198.71

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Solution

The fourth proportional to 80,410.60, 110,893.99 and 50,198.71 is: 69,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,410.60 : 110,893.99 = 50,198.71 : x
  2. Step 2: Convert to fraction form
    80,410.60/110,893.99 = 50,198.71/x
  3. Step 3: Cross multiply
    80,410.60x = 110,893.99 × 50,198.71
  4. Step 4: Simplify right side
    80,410.60x = 5,566,734,842.02
  5. Step 5: Solve for x
    x = 5,566,734,842.02/80,410.60
  6. Step 6: Final answer
    x = 69,228.87

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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.