Home / 123,421.11-185,131.62-29,926.86

Finding the Fourth Proportional to 123,421.11, 185,131.62 and 29,926.86

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Solution

The fourth proportional to 123,421.11, 185,131.62 and 29,926.86 is: 44,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,421.11 : 185,131.62 = 29,926.86 : x
  2. Step 2: Convert to fraction form
    123,421.11/185,131.62 = 29,926.86/x
  3. Step 3: Cross multiply
    123,421.11x = 185,131.62 × 29,926.86
  4. Step 4: Simplify right side
    123,421.11x = 5,540,408,073.31
  5. Step 5: Solve for x
    x = 5,540,408,073.31/123,421.11
  6. Step 6: Final answer
    x = 44,890.28

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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.