Home / 68,478.62-94,529.60-41,629.70

Finding the Fourth Proportional to 68,478.62, 94,529.60 and 41,629.70

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Solution

The fourth proportional to 68,478.62, 94,529.60 and 41,629.70 is: 57,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,478.62 : 94,529.60 = 41,629.70 : x
  2. Step 2: Convert to fraction form
    68,478.62/94,529.60 = 41,629.70/x
  3. Step 3: Cross multiply
    68,478.62x = 94,529.60 × 41,629.70
  4. Step 4: Simplify right side
    68,478.62x = 3,935,238,917.30
  5. Step 5: Solve for x
    x = 3,935,238,917.30/68,478.62
  6. Step 6: Final answer
    x = 57,466.68

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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.