Home / 80,535.31-111,135.68-44,727.62

Finding the Fourth Proportional to 80,535.31, 111,135.68 and 44,727.62

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Solution

The fourth proportional to 80,535.31, 111,135.68 and 44,727.62 is: 61,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,535.31 : 111,135.68 = 44,727.62 : x
  2. Step 2: Convert to fraction form
    80,535.31/111,135.68 = 44,727.62/x
  3. Step 3: Cross multiply
    80,535.31x = 111,135.68 × 44,727.62
  4. Step 4: Simplify right side
    80,535.31x = 4,970,834,517.68
  5. Step 5: Solve for x
    x = 4,970,834,517.68/80,535.31
  6. Step 6: Final answer
    x = 61,722.43

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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.