Home / 118,619.37-177,999.21-43,791.57

Finding the Fourth Proportional to 118,619.37, 177,999.21 and 43,791.57

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Solution

The fourth proportional to 118,619.37, 177,999.21 and 43,791.57 is: 65,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,619.37 : 177,999.21 = 43,791.57 : x
  2. Step 2: Convert to fraction form
    118,619.37/177,999.21 = 43,791.57/x
  3. Step 3: Cross multiply
    118,619.37x = 177,999.21 × 43,791.57
  4. Step 4: Simplify right side
    118,619.37x = 7,794,864,864.66
  5. Step 5: Solve for x
    x = 7,794,864,864.66/118,619.37
  6. Step 6: Final answer
    x = 65,713.25

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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.