Home / 54,278.70-81,504.45-36,825.90

Finding the Fourth Proportional to 54,278.70, 81,504.45 and 36,825.90

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Solution

The fourth proportional to 54,278.70, 81,504.45 and 36,825.90 is: 55,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.70 : 81,504.45 = 36,825.90 : x
  2. Step 2: Convert to fraction form
    54,278.70/81,504.45 = 36,825.90/x
  3. Step 3: Cross multiply
    54,278.70x = 81,504.45 × 36,825.90
  4. Step 4: Simplify right side
    54,278.70x = 3,001,474,725.26
  5. Step 5: Solve for x
    x = 3,001,474,725.26/54,278.70
  6. Step 6: Final answer
    x = 55,297.47

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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.