Home / 54,261.70-81,284.55-47,767.30

Finding the Fourth Proportional to 54,261.70, 81,284.55 and 47,767.30

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Solution

The fourth proportional to 54,261.70, 81,284.55 and 47,767.30 is: 71,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261.70 : 81,284.55 = 47,767.30 : x
  2. Step 2: Convert to fraction form
    54,261.70/81,284.55 = 47,767.30/x
  3. Step 3: Cross multiply
    54,261.70x = 81,284.55 × 47,767.30
  4. Step 4: Simplify right side
    54,261.70x = 3,882,743,485.22
  5. Step 5: Solve for x
    x = 3,882,743,485.22/54,261.70
  6. Step 6: Final answer
    x = 71,555.88

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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.