Home / 115,416.66-173,144.14-40,517.38

Finding the Fourth Proportional to 115,416.66, 173,144.14 and 40,517.38

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Solution

The fourth proportional to 115,416.66, 173,144.14 and 40,517.38 is: 60,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,416.66 : 173,144.14 = 40,517.38 : x
  2. Step 2: Convert to fraction form
    115,416.66/173,144.14 = 40,517.38/x
  3. Step 3: Cross multiply
    115,416.66x = 173,144.14 × 40,517.38
  4. Step 4: Simplify right side
    115,416.66x = 7,015,346,915.15
  5. Step 5: Solve for x
    x = 7,015,346,915.15/115,416.66
  6. Step 6: Final answer
    x = 60,782.79

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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.