Home / 111,845.75-167,768.62-40,773.72

Finding the Fourth Proportional to 111,845.75, 167,768.62 and 40,773.72

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Solution

The fourth proportional to 111,845.75, 167,768.62 and 40,773.72 is: 61,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,845.75 : 167,768.62 = 40,773.72 : x
  2. Step 2: Convert to fraction form
    111,845.75/167,768.62 = 40,773.72/x
  3. Step 3: Cross multiply
    111,845.75x = 167,768.62 × 40,773.72
  4. Step 4: Simplify right side
    111,845.75x = 6,840,550,736.67
  5. Step 5: Solve for x
    x = 6,840,550,736.67/111,845.75
  6. Step 6: Final answer
    x = 61,160.58

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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.