Home / 54,745.20-82,120.23-21,462.30

Finding the Fourth Proportional to 54,745.20, 82,120.23 and 21,462.30

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Solution

The fourth proportional to 54,745.20, 82,120.23 and 21,462.30 is: 32,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,745.20 : 82,120.23 = 21,462.30 : x
  2. Step 2: Convert to fraction form
    54,745.20/82,120.23 = 21,462.30/x
  3. Step 3: Cross multiply
    54,745.20x = 82,120.23 × 21,462.30
  4. Step 4: Simplify right side
    54,745.20x = 1,762,489,012.33
  5. Step 5: Solve for x
    x = 1,762,489,012.33/54,745.20
  6. Step 6: Final answer
    x = 32,194.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.