Home / 80,338.04-110,869.34-48,500.72

Finding the Fourth Proportional to 80,338.04, 110,869.34 and 48,500.72

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Solution

The fourth proportional to 80,338.04, 110,869.34 and 48,500.72 is: 66,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,338.04 : 110,869.34 = 48,500.72 : x
  2. Step 2: Convert to fraction form
    80,338.04/110,869.34 = 48,500.72/x
  3. Step 3: Cross multiply
    80,338.04x = 110,869.34 × 48,500.72
  4. Step 4: Simplify right side
    80,338.04x = 5,377,242,815.92
  5. Step 5: Solve for x
    x = 5,377,242,815.92/80,338.04
  6. Step 6: Final answer
    x = 66,932.71

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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.