Home / 69,486.37-104,228.46-22,100.78

Finding the Fourth Proportional to 69,486.37, 104,228.46 and 22,100.78

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Solution

The fourth proportional to 69,486.37, 104,228.46 and 22,100.78 is: 33,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,486.37 : 104,228.46 = 22,100.78 : x
  2. Step 2: Convert to fraction form
    69,486.37/104,228.46 = 22,100.78/x
  3. Step 3: Cross multiply
    69,486.37x = 104,228.46 × 22,100.78
  4. Step 4: Simplify right side
    69,486.37x = 2,303,530,264.20
  5. Step 5: Solve for x
    x = 2,303,530,264.20/69,486.37
  6. Step 6: Final answer
    x = 33,150.82

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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.