Home / 69,936.54-104,948.56-28,383.54

Finding the Fourth Proportional to 69,936.54, 104,948.56 and 28,383.54

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Solution

The fourth proportional to 69,936.54, 104,948.56 and 28,383.54 is: 42,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.54 : 104,948.56 = 28,383.54 : x
  2. Step 2: Convert to fraction form
    69,936.54/104,948.56 = 28,383.54/x
  3. Step 3: Cross multiply
    69,936.54x = 104,948.56 × 28,383.54
  4. Step 4: Simplify right side
    69,936.54x = 2,978,811,650.70
  5. Step 5: Solve for x
    x = 2,978,811,650.70/69,936.54
  6. Step 6: Final answer
    x = 42,593.07

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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.