Home / 111,745.22-167,723.15-40,736.48

Finding the Fourth Proportional to 111,745.22, 167,723.15 and 40,736.48

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Solution

The fourth proportional to 111,745.22, 167,723.15 and 40,736.48 is: 61,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,745.22 : 167,723.15 = 40,736.48 : x
  2. Step 2: Convert to fraction form
    111,745.22/167,723.15 = 40,736.48/x
  3. Step 3: Cross multiply
    111,745.22x = 167,723.15 × 40,736.48
  4. Step 4: Simplify right side
    111,745.22x = 6,832,449,703.21
  5. Step 5: Solve for x
    x = 6,832,449,703.21/111,745.22
  6. Step 6: Final answer
    x = 61,143.11

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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.