Home / 120,498.48-180,747.97-49,408.02

Finding the Fourth Proportional to 120,498.48, 180,747.97 and 49,408.02

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Solution

The fourth proportional to 120,498.48, 180,747.97 and 49,408.02 is: 74,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,498.48 : 180,747.97 = 49,408.02 : x
  2. Step 2: Convert to fraction form
    120,498.48/180,747.97 = 49,408.02/x
  3. Step 3: Cross multiply
    120,498.48x = 180,747.97 × 49,408.02
  4. Step 4: Simplify right side
    120,498.48x = 8,930,398,741.33
  5. Step 5: Solve for x
    x = 8,930,398,741.33/120,498.48
  6. Step 6: Final answer
    x = 74,112.13

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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.