Home / 115,424.97-173,168.18-36,540.81

Finding the Fourth Proportional to 115,424.97, 173,168.18 and 36,540.81

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Solution

The fourth proportional to 115,424.97, 173,168.18 and 36,540.81 is: 54,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,424.97 : 173,168.18 = 36,540.81 : x
  2. Step 2: Convert to fraction form
    115,424.97/173,168.18 = 36,540.81/x
  3. Step 3: Cross multiply
    115,424.97x = 173,168.18 × 36,540.81
  4. Step 4: Simplify right side
    115,424.97x = 6,327,705,380.72
  5. Step 5: Solve for x
    x = 6,327,705,380.72/115,424.97
  6. Step 6: Final answer
    x = 54,820.94

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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.