Home / 55,334.43-76,361.36-30,183.75

Finding the Fourth Proportional to 55,334.43, 76,361.36 and 30,183.75

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Solution

The fourth proportional to 55,334.43, 76,361.36 and 30,183.75 is: 41,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334.43 : 76,361.36 = 30,183.75 : x
  2. Step 2: Convert to fraction form
    55,334.43/76,361.36 = 30,183.75/x
  3. Step 3: Cross multiply
    55,334.43x = 76,361.36 × 30,183.75
  4. Step 4: Simplify right side
    55,334.43x = 2,304,872,048.98
  5. Step 5: Solve for x
    x = 2,304,872,048.98/55,334.43
  6. Step 6: Final answer
    x = 41,653.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.