Home / 54,801.17-82,202.45-19,261.05

Finding the Fourth Proportional to 54,801.17, 82,202.45 and 19,261.05

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Solution

The fourth proportional to 54,801.17, 82,202.45 and 19,261.05 is: 28,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,801.17 : 82,202.45 = 19,261.05 : x
  2. Step 2: Convert to fraction form
    54,801.17/82,202.45 = 19,261.05/x
  3. Step 3: Cross multiply
    54,801.17x = 82,202.45 × 19,261.05
  4. Step 4: Simplify right side
    54,801.17x = 1,583,305,403.27
  5. Step 5: Solve for x
    x = 1,583,305,403.27/54,801.17
  6. Step 6: Final answer
    x = 28,891.82

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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.