Home / 49,209.70-73,814.55-45,408.10

Finding the Fourth Proportional to 49,209.70, 73,814.55 and 45,408.10

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Solution

The fourth proportional to 49,209.70, 73,814.55 and 45,408.10 is: 68,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209.70 : 73,814.55 = 45,408.10 : x
  2. Step 2: Convert to fraction form
    49,209.70/73,814.55 = 45,408.10/x
  3. Step 3: Cross multiply
    49,209.70x = 73,814.55 × 45,408.10
  4. Step 4: Simplify right side
    49,209.70x = 3,351,778,467.86
  5. Step 5: Solve for x
    x = 3,351,778,467.86/49,209.70
  6. Step 6: Final answer
    x = 68,112.15

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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.