Home / 73,081.20-109,652.04-26,338.80

Finding the Fourth Proportional to 73,081.20, 109,652.04 and 26,338.80

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Solution

The fourth proportional to 73,081.20, 109,652.04 and 26,338.80 is: 39,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,081.20 : 109,652.04 = 26,338.80 : x
  2. Step 2: Convert to fraction form
    73,081.20/109,652.04 = 26,338.80/x
  3. Step 3: Cross multiply
    73,081.20x = 109,652.04 × 26,338.80
  4. Step 4: Simplify right side
    73,081.20x = 2,888,103,151.15
  5. Step 5: Solve for x
    x = 2,888,103,151.15/73,081.20
  6. Step 6: Final answer
    x = 39,519.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.