Home / 74,231.57-102,435.21-44,019.78

Finding the Fourth Proportional to 74,231.57, 102,435.21 and 44,019.78

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Solution

The fourth proportional to 74,231.57, 102,435.21 and 44,019.78 is: 60,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,231.57 : 102,435.21 = 44,019.78 : x
  2. Step 2: Convert to fraction form
    74,231.57/102,435.21 = 44,019.78/x
  3. Step 3: Cross multiply
    74,231.57x = 102,435.21 × 44,019.78
  4. Step 4: Simplify right side
    74,231.57x = 4,509,175,408.45
  5. Step 5: Solve for x
    x = 4,509,175,408.45/74,231.57
  6. Step 6: Final answer
    x = 60,744.71

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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.