Home / 111,621.44-167,413.76-36,742.56

Finding the Fourth Proportional to 111,621.44, 167,413.76 and 36,742.56

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Solution

The fourth proportional to 111,621.44, 167,413.76 and 36,742.56 is: 55,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,621.44 : 167,413.76 = 36,742.56 : x
  2. Step 2: Convert to fraction form
    111,621.44/167,413.76 = 36,742.56/x
  3. Step 3: Cross multiply
    111,621.44x = 167,413.76 × 36,742.56
  4. Step 4: Simplify right side
    111,621.44x = 6,151,210,121.63
  5. Step 5: Solve for x
    x = 6,151,210,121.63/111,621.44
  6. Step 6: Final answer
    x = 55,107.78

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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.