Home / 49,900.78-74,905.09-44,389.42

Finding the Fourth Proportional to 49,900.78, 74,905.09 and 44,389.42

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Solution

The fourth proportional to 49,900.78, 74,905.09 and 44,389.42 is: 66,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,900.78 : 74,905.09 = 44,389.42 : x
  2. Step 2: Convert to fraction form
    49,900.78/74,905.09 = 44,389.42/x
  3. Step 3: Cross multiply
    49,900.78x = 74,905.09 × 44,389.42
  4. Step 4: Simplify right side
    49,900.78x = 3,324,993,500.15
  5. Step 5: Solve for x
    x = 3,324,993,500.15/49,900.78
  6. Step 6: Final answer
    x = 66,632.09

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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.