Home / 114,249.21-171,408.85-51,122.48

Finding the Fourth Proportional to 114,249.21, 171,408.85 and 51,122.48

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Solution

The fourth proportional to 114,249.21, 171,408.85 and 51,122.48 is: 76,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,249.21 : 171,408.85 = 51,122.48 : x
  2. Step 2: Convert to fraction form
    114,249.21/171,408.85 = 51,122.48/x
  3. Step 3: Cross multiply
    114,249.21x = 171,408.85 × 51,122.48
  4. Step 4: Simplify right side
    114,249.21x = 8,762,844,521.10
  5. Step 5: Solve for x
    x = 8,762,844,521.10/114,249.21
  6. Step 6: Final answer
    x = 76,699.39

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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.