Home / 80,708.40-111,380.04-44,902.80

Finding the Fourth Proportional to 80,708.40, 111,380.04 and 44,902.80

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Solution

The fourth proportional to 80,708.40, 111,380.04 and 44,902.80 is: 61,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,708.40 : 111,380.04 = 44,902.80 : x
  2. Step 2: Convert to fraction form
    80,708.40/111,380.04 = 44,902.80/x
  3. Step 3: Cross multiply
    80,708.40x = 111,380.04 × 44,902.80
  4. Step 4: Simplify right side
    80,708.40x = 5,001,275,660.11
  5. Step 5: Solve for x
    x = 5,001,275,660.11/80,708.40
  6. Step 6: Final answer
    x = 61,967.23

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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.