Home / 69,380.28-104,089.86-27,856.44

Finding the Fourth Proportional to 69,380.28, 104,089.86 and 27,856.44

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Solution

The fourth proportional to 69,380.28, 104,089.86 and 27,856.44 is: 41,792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.28 : 104,089.86 = 27,856.44 : x
  2. Step 2: Convert to fraction form
    69,380.28/104,089.86 = 27,856.44/x
  3. Step 3: Cross multiply
    69,380.28x = 104,089.86 × 27,856.44
  4. Step 4: Simplify right side
    69,380.28x = 2,899,572,939.70
  5. Step 5: Solve for x
    x = 2,899,572,939.70/69,380.28
  6. Step 6: Final answer
    x = 41,792.47

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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.