Home / 54,175.21-81,201.12-33,921.43

Finding the Fourth Proportional to 54,175.21, 81,201.12 and 33,921.43

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Solution

The fourth proportional to 54,175.21, 81,201.12 and 33,921.43 is: 50,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,175.21 : 81,201.12 = 33,921.43 : x
  2. Step 2: Convert to fraction form
    54,175.21/81,201.12 = 33,921.43/x
  3. Step 3: Cross multiply
    54,175.21x = 81,201.12 × 33,921.43
  4. Step 4: Simplify right side
    54,175.21x = 2,754,458,108.00
  5. Step 5: Solve for x
    x = 2,754,458,108.00/54,175.21
  6. Step 6: Final answer
    x = 50,843.52

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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.