Home / 74,022.37-102,160.61-42,183.97

Finding the Fourth Proportional to 74,022.37, 102,160.61 and 42,183.97

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Solution

The fourth proportional to 74,022.37, 102,160.61 and 42,183.97 is: 58,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,022.37 : 102,160.61 = 42,183.97 : x
  2. Step 2: Convert to fraction form
    74,022.37/102,160.61 = 42,183.97/x
  3. Step 3: Cross multiply
    74,022.37x = 102,160.61 × 42,183.97
  4. Step 4: Simplify right side
    74,022.37x = 4,309,540,107.42
  5. Step 5: Solve for x
    x = 4,309,540,107.42/74,022.37
  6. Step 6: Final answer
    x = 58,219.43

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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.