Home / 80,354.46-110,851.83-50,120.22

Finding the Fourth Proportional to 80,354.46, 110,851.83 and 50,120.22

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Solution

The fourth proportional to 80,354.46, 110,851.83 and 50,120.22 is: 69,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,354.46 : 110,851.83 = 50,120.22 : x
  2. Step 2: Convert to fraction form
    80,354.46/110,851.83 = 50,120.22/x
  3. Step 3: Cross multiply
    80,354.46x = 110,851.83 × 50,120.22
  4. Step 4: Simplify right side
    80,354.46x = 5,555,918,107.00
  5. Step 5: Solve for x
    x = 5,555,918,107.00/80,354.46
  6. Step 6: Final answer
    x = 69,142.62

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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.