Home / 85,112.37-117,395.33-73,761.93

Finding the Fourth Proportional to 85,112.37, 117,395.33 and 73,761.93

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Solution

The fourth proportional to 85,112.37, 117,395.33 and 73,761.93 is: 101,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,112.37 : 117,395.33 = 73,761.93 : x
  2. Step 2: Convert to fraction form
    85,112.37/117,395.33 = 73,761.93/x
  3. Step 3: Cross multiply
    85,112.37x = 117,395.33 × 73,761.93
  4. Step 4: Simplify right side
    85,112.37x = 8,659,305,744.98
  5. Step 5: Solve for x
    x = 8,659,305,744.98/85,112.37
  6. Step 6: Final answer
    x = 101,739.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.