Home / 54,141.12-74,708.64-30,267

Finding the Fourth Proportional to 54,141.12, 74,708.64 and 30,267

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Solution

The fourth proportional to 54,141.12, 74,708.64 and 30,267 is: 41,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.12 : 74,708.64 = 30,267 : x
  2. Step 2: Convert to fraction form
    54,141.12/74,708.64 = 30,267/x
  3. Step 3: Cross multiply
    54,141.12x = 74,708.64 × 30,267
  4. Step 4: Simplify right side
    54,141.12x = 2,261,206,406.88
  5. Step 5: Solve for x
    x = 2,261,206,406.88/54,141.12
  6. Step 6: Final answer
    x = 41,765.05

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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.