Home / 54,519.44-81,674.88-45,691.24

Finding the Fourth Proportional to 54,519.44, 81,674.88 and 45,691.24

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Solution

The fourth proportional to 54,519.44, 81,674.88 and 45,691.24 is: 68,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519.44 : 81,674.88 = 45,691.24 : x
  2. Step 2: Convert to fraction form
    54,519.44/81,674.88 = 45,691.24/x
  3. Step 3: Cross multiply
    54,519.44x = 81,674.88 × 45,691.24
  4. Step 4: Simplify right side
    54,519.44x = 3,731,826,544.05
  5. Step 5: Solve for x
    x = 3,731,826,544.05/54,519.44
  6. Step 6: Final answer
    x = 68,449.47

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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.