Home / 54,055.28-81,083.21-35,453.12

Finding the Fourth Proportional to 54,055.28, 81,083.21 and 35,453.12

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Solution

The fourth proportional to 54,055.28, 81,083.21 and 35,453.12 is: 53,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055.28 : 81,083.21 = 35,453.12 : x
  2. Step 2: Convert to fraction form
    54,055.28/81,083.21 = 35,453.12/x
  3. Step 3: Cross multiply
    54,055.28x = 81,083.21 × 35,453.12
  4. Step 4: Simplify right side
    54,055.28x = 2,874,652,774.12
  5. Step 5: Solve for x
    x = 2,874,652,774.12/54,055.28
  6. Step 6: Final answer
    x = 53,179.87

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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.