Home / 54,114.06-81,171.12-35,511.78

Finding the Fourth Proportional to 54,114.06, 81,171.12 and 35,511.78

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Solution

The fourth proportional to 54,114.06, 81,171.12 and 35,511.78 is: 53,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.06 : 81,171.12 = 35,511.78 : x
  2. Step 2: Convert to fraction form
    54,114.06/81,171.12 = 35,511.78/x
  3. Step 3: Cross multiply
    54,114.06x = 81,171.12 × 35,511.78
  4. Step 4: Simplify right side
    54,114.06x = 2,882,530,955.79
  5. Step 5: Solve for x
    x = 2,882,530,955.79/54,114.06
  6. Step 6: Final answer
    x = 53,267.69

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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.