Home / 54,284.20-81,426.30-23,122.60

Finding the Fourth Proportional to 54,284.20, 81,426.30 and 23,122.60

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Solution

The fourth proportional to 54,284.20, 81,426.30 and 23,122.60 is: 34,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,284.20 : 81,426.30 = 23,122.60 : x
  2. Step 2: Convert to fraction form
    54,284.20/81,426.30 = 23,122.60/x
  3. Step 3: Cross multiply
    54,284.20x = 81,426.30 × 23,122.60
  4. Step 4: Simplify right side
    54,284.20x = 1,882,787,764.38
  5. Step 5: Solve for x
    x = 1,882,787,764.38/54,284.20
  6. Step 6: Final answer
    x = 34,683.90

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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.