Home / 80,408.30-120,460.22-53,673.68

Finding the Fourth Proportional to 80,408.30, 120,460.22 and 53,673.68

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Solution

The fourth proportional to 80,408.30, 120,460.22 and 53,673.68 is: 80,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,408.30 : 120,460.22 = 53,673.68 : x
  2. Step 2: Convert to fraction form
    80,408.30/120,460.22 = 53,673.68/x
  3. Step 3: Cross multiply
    80,408.30x = 120,460.22 × 53,673.68
  4. Step 4: Simplify right side
    80,408.30x = 6,465,543,301.01
  5. Step 5: Solve for x
    x = 6,465,543,301.01/80,408.30
  6. Step 6: Final answer
    x = 80,408.90

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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.