Home / 73,067.20-109,561.30-25,670.04

Finding the Fourth Proportional to 73,067.20, 109,561.30 and 25,670.04

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Solution

The fourth proportional to 73,067.20, 109,561.30 and 25,670.04 is: 38,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.20 : 109,561.30 = 25,670.04 : x
  2. Step 2: Convert to fraction form
    73,067.20/109,561.30 = 25,670.04/x
  3. Step 3: Cross multiply
    73,067.20x = 109,561.30 × 25,670.04
  4. Step 4: Simplify right side
    73,067.20x = 2,812,442,953.45
  5. Step 5: Solve for x
    x = 2,812,442,953.45/73,067.20
  6. Step 6: Final answer
    x = 38,491.18

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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.