Home / 68,886.78-95,039.30-45,027.22

Finding the Fourth Proportional to 68,886.78, 95,039.30 and 45,027.22

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Solution

The fourth proportional to 68,886.78, 95,039.30 and 45,027.22 is: 62,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,886.78 : 95,039.30 = 45,027.22 : x
  2. Step 2: Convert to fraction form
    68,886.78/95,039.30 = 45,027.22/x
  3. Step 3: Cross multiply
    68,886.78x = 95,039.30 × 45,027.22
  4. Step 4: Simplify right side
    68,886.78x = 4,279,355,469.75
  5. Step 5: Solve for x
    x = 4,279,355,469.75/68,886.78
  6. Step 6: Final answer
    x = 62,121.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.