Home / 80,468.11-120,655.09-24,291.37

Finding the Fourth Proportional to 80,468.11, 120,655.09 and 24,291.37

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Solution

The fourth proportional to 80,468.11, 120,655.09 and 24,291.37 is: 36,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,468.11 : 120,655.09 = 24,291.37 : x
  2. Step 2: Convert to fraction form
    80,468.11/120,655.09 = 24,291.37/x
  3. Step 3: Cross multiply
    80,468.11x = 120,655.09 × 24,291.37
  4. Step 4: Simplify right side
    80,468.11x = 2,930,877,433.57
  5. Step 5: Solve for x
    x = 2,930,877,433.57/80,468.11
  6. Step 6: Final answer
    x = 36,422.84

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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.