Home / 78,922.27-108,910.94-43,112.44

Finding the Fourth Proportional to 78,922.27, 108,910.94 and 43,112.44

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Solution

The fourth proportional to 78,922.27, 108,910.94 and 43,112.44 is: 59,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,922.27 : 108,910.94 = 43,112.44 : x
  2. Step 2: Convert to fraction form
    78,922.27/108,910.94 = 43,112.44/x
  3. Step 3: Cross multiply
    78,922.27x = 108,910.94 × 43,112.44
  4. Step 4: Simplify right side
    78,922.27x = 4,695,416,366.09
  5. Step 5: Solve for x
    x = 4,695,416,366.09/78,922.27
  6. Step 6: Final answer
    x = 59,494.19

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1.5x scale

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.