Home / 54,553.79-81,678.31-29,504.09

Finding the Fourth Proportional to 54,553.79, 81,678.31 and 29,504.09

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Solution

The fourth proportional to 54,553.79, 81,678.31 and 29,504.09 is: 44,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,553.79 : 81,678.31 = 29,504.09 : x
  2. Step 2: Convert to fraction form
    54,553.79/81,678.31 = 29,504.09/x
  3. Step 3: Cross multiply
    54,553.79x = 81,678.31 × 29,504.09
  4. Step 4: Simplify right side
    54,553.79x = 2,409,844,199.39
  5. Step 5: Solve for x
    x = 2,409,844,199.39/54,553.79
  6. Step 6: Final answer
    x = 44,173.73

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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.