Home / 80,738.04-111,355.38-52,452.84

Finding the Fourth Proportional to 80,738.04, 111,355.38 and 52,452.84

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Solution

The fourth proportional to 80,738.04, 111,355.38 and 52,452.84 is: 72,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,738.04 : 111,355.38 = 52,452.84 : x
  2. Step 2: Convert to fraction form
    80,738.04/111,355.38 = 52,452.84/x
  3. Step 3: Cross multiply
    80,738.04x = 111,355.38 × 52,452.84
  4. Step 4: Simplify right side
    80,738.04x = 5,840,905,930.28
  5. Step 5: Solve for x
    x = 5,840,905,930.28/80,738.04
  6. Step 6: Final answer
    x = 72,343.92

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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.