Home / 78,161.70-107,867.37-44,171.61

Finding the Fourth Proportional to 78,161.70, 107,867.37 and 44,171.61

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Solution

The fourth proportional to 78,161.70, 107,867.37 and 44,171.61 is: 60,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,161.70 : 107,867.37 = 44,171.61 : x
  2. Step 2: Convert to fraction form
    78,161.70/107,867.37 = 44,171.61/x
  3. Step 3: Cross multiply
    78,161.70x = 107,867.37 × 44,171.61
  4. Step 4: Simplify right side
    78,161.70x = 4,764,675,399.37
  5. Step 5: Solve for x
    x = 4,764,675,399.37/78,161.70
  6. Step 6: Final answer
    x = 60,959.21

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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.