Home / 80,722.53-111,391.56-44,911.20

Finding the Fourth Proportional to 80,722.53, 111,391.56 and 44,911.20

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Solution

The fourth proportional to 80,722.53, 111,391.56 and 44,911.20 is: 61,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,722.53 : 111,391.56 = 44,911.20 : x
  2. Step 2: Convert to fraction form
    80,722.53/111,391.56 = 44,911.20/x
  3. Step 3: Cross multiply
    80,722.53x = 111,391.56 × 44,911.20
  4. Step 4: Simplify right side
    80,722.53x = 5,002,728,629.47
  5. Step 5: Solve for x
    x = 5,002,728,629.47/80,722.53
  6. Step 6: Final answer
    x = 61,974.38

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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.