Home / 80,503.43-111,089.75-44,691.30

Finding the Fourth Proportional to 80,503.43, 111,089.75 and 44,691.30

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Solution

The fourth proportional to 80,503.43, 111,089.75 and 44,691.30 is: 61,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,503.43 : 111,089.75 = 44,691.30 : x
  2. Step 2: Convert to fraction form
    80,503.43/111,089.75 = 44,691.30/x
  3. Step 3: Cross multiply
    80,503.43x = 111,089.75 × 44,691.30
  4. Step 4: Simplify right side
    80,503.43x = 4,964,745,120.72
  5. Step 5: Solve for x
    x = 4,964,745,120.72/80,503.43
  6. Step 6: Final answer
    x = 61,671.23

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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.