Home / 89,103.44-122,961.24-50,865.09

Finding the Fourth Proportional to 89,103.44, 122,961.24 and 50,865.09

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Solution

The fourth proportional to 89,103.44, 122,961.24 and 50,865.09 is: 70,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,103.44 : 122,961.24 = 50,865.09 : x
  2. Step 2: Convert to fraction form
    89,103.44/122,961.24 = 50,865.09/x
  3. Step 3: Cross multiply
    89,103.44x = 122,961.24 × 50,865.09
  4. Step 4: Simplify right side
    89,103.44x = 6,254,434,539.11
  5. Step 5: Solve for x
    x = 6,254,434,539.11/89,103.44
  6. Step 6: Final answer
    x = 70,192.97

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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.