Home / 54,238.89-81,327.87-37,161.06

Finding the Fourth Proportional to 54,238.89, 81,327.87 and 37,161.06

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Solution

The fourth proportional to 54,238.89, 81,327.87 and 37,161.06 is: 55,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,238.89 : 81,327.87 = 37,161.06 : x
  2. Step 2: Convert to fraction form
    54,238.89/81,327.87 = 37,161.06/x
  3. Step 3: Cross multiply
    54,238.89x = 81,327.87 × 37,161.06
  4. Step 4: Simplify right side
    54,238.89x = 3,022,229,856.74
  5. Step 5: Solve for x
    x = 3,022,229,856.74/54,238.89
  6. Step 6: Final answer
    x = 55,720.72

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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.