Home / 54,107.97-74,667.60-30,234.81

Finding the Fourth Proportional to 54,107.97, 74,667.60 and 30,234.81

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Solution

The fourth proportional to 54,107.97, 74,667.60 and 30,234.81 is: 41,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.97 : 74,667.60 = 30,234.81 : x
  2. Step 2: Convert to fraction form
    54,107.97/74,667.60 = 30,234.81/x
  3. Step 3: Cross multiply
    54,107.97x = 74,667.60 × 30,234.81
  4. Step 4: Simplify right side
    54,107.97x = 2,257,560,699.16
  5. Step 5: Solve for x
    x = 2,257,560,699.16/54,107.97
  6. Step 6: Final answer
    x = 41,723.26

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1.5x scale

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.