Home / 54,424.08-75,105.09-30,553.11

Finding the Fourth Proportional to 54,424.08, 75,105.09 and 30,553.11

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Solution

The fourth proportional to 54,424.08, 75,105.09 and 30,553.11 is: 42,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,424.08 : 75,105.09 = 30,553.11 : x
  2. Step 2: Convert to fraction form
    54,424.08/75,105.09 = 30,553.11/x
  3. Step 3: Cross multiply
    54,424.08x = 75,105.09 × 30,553.11
  4. Step 4: Simplify right side
    54,424.08x = 2,294,694,076.33
  5. Step 5: Solve for x
    x = 2,294,694,076.33/54,424.08
  6. Step 6: Final answer
    x = 42,163.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.