Home / 54,221.64-81,305.18-22,623.51

Finding the Fourth Proportional to 54,221.64, 81,305.18 and 22,623.51

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Solution

The fourth proportional to 54,221.64, 81,305.18 and 22,623.51 is: 33,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.64 : 81,305.18 = 22,623.51 : x
  2. Step 2: Convert to fraction form
    54,221.64/81,305.18 = 22,623.51/x
  3. Step 3: Cross multiply
    54,221.64x = 81,305.18 × 22,623.51
  4. Step 4: Simplify right side
    54,221.64x = 1,839,408,439.66
  5. Step 5: Solve for x
    x = 1,839,408,439.66/54,221.64
  6. Step 6: Final answer
    x = 33,923.88

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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.