Home / 115,685.33-173,540.75-36,781.10

Finding the Fourth Proportional to 115,685.33, 173,540.75 and 36,781.10

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Solution

The fourth proportional to 115,685.33, 173,540.75 and 36,781.10 is: 55,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,685.33 : 173,540.75 = 36,781.10 : x
  2. Step 2: Convert to fraction form
    115,685.33/173,540.75 = 36,781.10/x
  3. Step 3: Cross multiply
    115,685.33x = 173,540.75 × 36,781.10
  4. Step 4: Simplify right side
    115,685.33x = 6,383,019,278.99
  5. Step 5: Solve for x
    x = 6,383,019,278.99/115,685.33
  6. Step 6: Final answer
    x = 55,175.70

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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.