Home / 80,735.04-111,351.24-52,449.84

Finding the Fourth Proportional to 80,735.04, 111,351.24 and 52,449.84

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Solution

The fourth proportional to 80,735.04, 111,351.24 and 52,449.84 is: 72,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,735.04 : 111,351.24 = 52,449.84 : x
  2. Step 2: Convert to fraction form
    80,735.04/111,351.24 = 52,449.84/x
  3. Step 3: Cross multiply
    80,735.04x = 111,351.24 × 52,449.84
  4. Step 4: Simplify right side
    80,735.04x = 5,840,354,721.80
  5. Step 5: Solve for x
    x = 5,840,354,721.80/80,735.04
  6. Step 6: Final answer
    x = 72,339.78

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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.