Home / 49,629.16-74,213.34-38,408.68

Finding the Fourth Proportional to 49,629.16, 74,213.34 and 38,408.68

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Solution

The fourth proportional to 49,629.16, 74,213.34 and 38,408.68 is: 57,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,629.16 : 74,213.34 = 38,408.68 : x
  2. Step 2: Convert to fraction form
    49,629.16/74,213.34 = 38,408.68/x
  3. Step 3: Cross multiply
    49,629.16x = 74,213.34 × 38,408.68
  4. Step 4: Simplify right side
    49,629.16x = 2,850,436,427.79
  5. Step 5: Solve for x
    x = 2,850,436,427.79/49,629.16
  6. Step 6: Final answer
    x = 57,434.71

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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.