Home / 80,410.11-110,893.30-50,198.21

Finding the Fourth Proportional to 80,410.11, 110,893.30 and 50,198.21

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Solution

The fourth proportional to 80,410.11, 110,893.30 and 50,198.21 is: 69,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,410.11 : 110,893.30 = 50,198.21 : x
  2. Step 2: Convert to fraction form
    80,410.11/110,893.30 = 50,198.21/x
  3. Step 3: Cross multiply
    80,410.11x = 110,893.30 × 50,198.21
  4. Step 4: Simplify right side
    80,410.11x = 5,566,645,160.99
  5. Step 5: Solve for x
    x = 5,566,645,160.99/80,410.11
  6. Step 6: Final answer
    x = 69,228.17

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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.