Home / 111,976.25-167,981.66-41,865.53

Finding the Fourth Proportional to 111,976.25, 167,981.66 and 41,865.53

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Solution

The fourth proportional to 111,976.25, 167,981.66 and 41,865.53 is: 62,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,976.25 : 167,981.66 = 41,865.53 : x
  2. Step 2: Convert to fraction form
    111,976.25/167,981.66 = 41,865.53/x
  3. Step 3: Cross multiply
    111,976.25x = 167,981.66 × 41,865.53
  4. Step 4: Simplify right side
    111,976.25x = 7,032,641,016.85
  5. Step 5: Solve for x
    x = 7,032,641,016.85/111,976.25
  6. Step 6: Final answer
    x = 62,804.76

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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.