Home / 49,408.98-74,129.22-30,627.42

Finding the Fourth Proportional to 49,408.98, 74,129.22 and 30,627.42

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Solution

The fourth proportional to 49,408.98, 74,129.22 and 30,627.42 is: 45,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408.98 : 74,129.22 = 30,627.42 : x
  2. Step 2: Convert to fraction form
    49,408.98/74,129.22 = 30,627.42/x
  3. Step 3: Cross multiply
    49,408.98x = 74,129.22 × 30,627.42
  4. Step 4: Simplify right side
    49,408.98x = 2,270,386,755.21
  5. Step 5: Solve for x
    x = 2,270,386,755.21/49,408.98
  6. Step 6: Final answer
    x = 45,950.89

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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.