Home / 54,106.82-74,667.78-30,234.50

Finding the Fourth Proportional to 54,106.82, 74,667.78 and 30,234.50

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Solution

The fourth proportional to 54,106.82, 74,667.78 and 30,234.50 is: 41,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.82 : 74,667.78 = 30,234.50 : x
  2. Step 2: Convert to fraction form
    54,106.82/74,667.78 = 30,234.50/x
  3. Step 3: Cross multiply
    54,106.82x = 74,667.78 × 30,234.50
  4. Step 4: Simplify right side
    54,106.82x = 2,257,542,994.41
  5. Step 5: Solve for x
    x = 2,257,542,994.41/54,106.82
  6. Step 6: Final answer
    x = 41,723.82

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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.