Home / 68,828.20-103,216.70-27,266.60

Finding the Fourth Proportional to 68,828.20, 103,216.70 and 27,266.60

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Solution

The fourth proportional to 68,828.20, 103,216.70 and 27,266.60 is: 40,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.20 : 103,216.70 = 27,266.60 : x
  2. Step 2: Convert to fraction form
    68,828.20/103,216.70 = 27,266.60/x
  3. Step 3: Cross multiply
    68,828.20x = 103,216.70 × 27,266.60
  4. Step 4: Simplify right side
    68,828.20x = 2,814,368,472.22
  5. Step 5: Solve for x
    x = 2,814,368,472.22/68,828.20
  6. Step 6: Final answer
    x = 40,889.76

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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.