Home / 54,068.14-81,073.05-20,796.58

Finding the Fourth Proportional to 54,068.14, 81,073.05 and 20,796.58

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Solution

The fourth proportional to 54,068.14, 81,073.05 and 20,796.58 is: 31,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,068.14 : 81,073.05 = 20,796.58 : x
  2. Step 2: Convert to fraction form
    54,068.14/81,073.05 = 20,796.58/x
  3. Step 3: Cross multiply
    54,068.14x = 81,073.05 × 20,796.58
  4. Step 4: Simplify right side
    54,068.14x = 1,686,042,170.17
  5. Step 5: Solve for x
    x = 1,686,042,170.17/54,068.14
  6. Step 6: Final answer
    x = 31,183.65

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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.