Home / 54,074.97-81,112.43-39,377.41

Finding the Fourth Proportional to 54,074.97, 81,112.43 and 39,377.41

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Solution

The fourth proportional to 54,074.97, 81,112.43 and 39,377.41 is: 59,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.97 : 81,112.43 = 39,377.41 : x
  2. Step 2: Convert to fraction form
    54,074.97/81,112.43 = 39,377.41/x
  3. Step 3: Cross multiply
    54,074.97x = 81,112.43 × 39,377.41
  4. Step 4: Simplify right side
    54,074.97x = 3,193,997,215.32
  5. Step 5: Solve for x
    x = 3,193,997,215.32/54,074.97
  6. Step 6: Final answer
    x = 59,066.10

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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.