Home / 115,408.20-173,079.90-36,546.60

Finding the Fourth Proportional to 115,408.20, 173,079.90 and 36,546.60

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Solution

The fourth proportional to 115,408.20, 173,079.90 and 36,546.60 is: 54,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,408.20 : 173,079.90 = 36,546.60 : x
  2. Step 2: Convert to fraction form
    115,408.20/173,079.90 = 36,546.60/x
  3. Step 3: Cross multiply
    115,408.20x = 173,079.90 × 36,546.60
  4. Step 4: Simplify right side
    115,408.20x = 6,325,481,873.34
  5. Step 5: Solve for x
    x = 6,325,481,873.34/115,408.20
  6. Step 6: Final answer
    x = 54,809.64

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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.