Home / 49,974.78-74,983.26-45,770.10

Finding the Fourth Proportional to 49,974.78, 74,983.26 and 45,770.10

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Solution

The fourth proportional to 49,974.78, 74,983.26 and 45,770.10 is: 68,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,974.78 : 74,983.26 = 45,770.10 : x
  2. Step 2: Convert to fraction form
    49,974.78/74,983.26 = 45,770.10/x
  3. Step 3: Cross multiply
    49,974.78x = 74,983.26 × 45,770.10
  4. Step 4: Simplify right side
    49,974.78x = 3,431,991,308.53
  5. Step 5: Solve for x
    x = 3,431,991,308.53/49,974.78
  6. Step 6: Final answer
    x = 68,674.47

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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.