Home / 80,569.20-111,203.28-44,771.52

Finding the Fourth Proportional to 80,569.20, 111,203.28 and 44,771.52

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Solution

The fourth proportional to 80,569.20, 111,203.28 and 44,771.52 is: 61,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569.20 : 111,203.28 = 44,771.52 : x
  2. Step 2: Convert to fraction form
    80,569.20/111,203.28 = 44,771.52/x
  3. Step 3: Cross multiply
    80,569.20x = 111,203.28 × 44,771.52
  4. Step 4: Simplify right side
    80,569.20x = 4,978,739,874.59
  5. Step 5: Solve for x
    x = 4,978,739,874.59/80,569.20
  6. Step 6: Final answer
    x = 61,794.58

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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.