Home / 54,564.60-81,770.10-40,414.20

Finding the Fourth Proportional to 54,564.60, 81,770.10 and 40,414.20

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Solution

The fourth proportional to 54,564.60, 81,770.10 and 40,414.20 is: 60,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,564.60 : 81,770.10 = 40,414.20 : x
  2. Step 2: Convert to fraction form
    54,564.60/81,770.10 = 40,414.20/x
  3. Step 3: Cross multiply
    54,564.60x = 81,770.10 × 40,414.20
  4. Step 4: Simplify right side
    54,564.60x = 3,304,673,175.42
  5. Step 5: Solve for x
    x = 3,304,673,175.42/54,564.60
  6. Step 6: Final answer
    x = 60,564.42

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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.