Home / 54,091.51-81,027.10-44,131.75

Finding the Fourth Proportional to 54,091.51, 81,027.10 and 44,131.75

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Solution

The fourth proportional to 54,091.51, 81,027.10 and 44,131.75 is: 66,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.51 : 81,027.10 = 44,131.75 : x
  2. Step 2: Convert to fraction form
    54,091.51/81,027.10 = 44,131.75/x
  3. Step 3: Cross multiply
    54,091.51x = 81,027.10 × 44,131.75
  4. Step 4: Simplify right side
    54,091.51x = 3,575,867,720.43
  5. Step 5: Solve for x
    x = 3,575,867,720.43/54,091.51
  6. Step 6: Final answer
    x = 66,107.74

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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.