Home / 54,052.42-81,087.27-18,993.22

Finding the Fourth Proportional to 54,052.42, 81,087.27 and 18,993.22

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Solution

The fourth proportional to 54,052.42, 81,087.27 and 18,993.22 is: 28,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,052.42 : 81,087.27 = 18,993.22 : x
  2. Step 2: Convert to fraction form
    54,052.42/81,087.27 = 18,993.22/x
  3. Step 3: Cross multiply
    54,052.42x = 81,087.27 × 18,993.22
  4. Step 4: Simplify right side
    54,052.42x = 1,540,108,358.31
  5. Step 5: Solve for x
    x = 1,540,108,358.31/54,052.42
  6. Step 6: Final answer
    x = 28,492.87

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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.