Home / 68,889.23-103,340.38-26,772.56

Finding the Fourth Proportional to 68,889.23, 103,340.38 and 26,772.56

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Solution

The fourth proportional to 68,889.23, 103,340.38 and 26,772.56 is: 40,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,889.23 : 103,340.38 = 26,772.56 : x
  2. Step 2: Convert to fraction form
    68,889.23/103,340.38 = 26,772.56/x
  3. Step 3: Cross multiply
    68,889.23x = 103,340.38 × 26,772.56
  4. Step 4: Simplify right side
    68,889.23x = 2,766,686,719.91
  5. Step 5: Solve for x
    x = 2,766,686,719.91/68,889.23
  6. Step 6: Final answer
    x = 40,161.38

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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.