Home / 81,473.24-122,209.97-22,309.43

Finding the Fourth Proportional to 81,473.24, 122,209.97 and 22,309.43

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Solution

The fourth proportional to 81,473.24, 122,209.97 and 22,309.43 is: 33,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,473.24 : 122,209.97 = 22,309.43 : x
  2. Step 2: Convert to fraction form
    81,473.24/122,209.97 = 22,309.43/x
  3. Step 3: Cross multiply
    81,473.24x = 122,209.97 × 22,309.43
  4. Step 4: Simplify right side
    81,473.24x = 2,726,434,048.42
  5. Step 5: Solve for x
    x = 2,726,434,048.42/81,473.24
  6. Step 6: Final answer
    x = 33,464.17

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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.