Home / 49,408.84-74,120.40-16,120.68

Finding the Fourth Proportional to 49,408.84, 74,120.40 and 16,120.68

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Solution

The fourth proportional to 49,408.84, 74,120.40 and 16,120.68 is: 24,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408.84 : 74,120.40 = 16,120.68 : x
  2. Step 2: Convert to fraction form
    49,408.84/74,120.40 = 16,120.68/x
  3. Step 3: Cross multiply
    49,408.84x = 74,120.40 × 16,120.68
  4. Step 4: Simplify right side
    49,408.84x = 1,194,871,249.87
  5. Step 5: Solve for x
    x = 1,194,871,249.87/49,408.84
  6. Step 6: Final answer
    x = 24,183.35

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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.