Home / 55,617.43-83,408.71-18,168.97

Finding the Fourth Proportional to 55,617.43, 83,408.71 and 18,168.97

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Solution

The fourth proportional to 55,617.43, 83,408.71 and 18,168.97 is: 27,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617.43 : 83,408.71 = 18,168.97 : x
  2. Step 2: Convert to fraction form
    55,617.43/83,408.71 = 18,168.97/x
  3. Step 3: Cross multiply
    55,617.43x = 83,408.71 × 18,168.97
  4. Step 4: Simplify right side
    55,617.43x = 1,515,450,349.73
  5. Step 5: Solve for x
    x = 1,515,450,349.73/55,617.43
  6. Step 6: Final answer
    x = 27,247.76

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1.5x scale

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.