Home / 80,629.30-111,272.22-44,819.91

Finding the Fourth Proportional to 80,629.30, 111,272.22 and 44,819.91

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Solution

The fourth proportional to 80,629.30, 111,272.22 and 44,819.91 is: 61,853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629.30 : 111,272.22 = 44,819.91 : x
  2. Step 2: Convert to fraction form
    80,629.30/111,272.22 = 44,819.91/x
  3. Step 3: Cross multiply
    80,629.30x = 111,272.22 × 44,819.91
  4. Step 4: Simplify right side
    80,629.30x = 4,987,210,885.90
  5. Step 5: Solve for x
    x = 4,987,210,885.90/80,629.30
  6. Step 6: Final answer
    x = 61,853.58

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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.