Home / 78,922.44-108,914.96-43,112.04

Finding the Fourth Proportional to 78,922.44, 108,914.96 and 43,112.04

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Solution

The fourth proportional to 78,922.44, 108,914.96 and 43,112.04 is: 59,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,922.44 : 108,914.96 = 43,112.04 : x
  2. Step 2: Convert to fraction form
    78,922.44/108,914.96 = 43,112.04/x
  3. Step 3: Cross multiply
    78,922.44x = 108,914.96 × 43,112.04
  4. Step 4: Simplify right side
    78,922.44x = 4,695,546,112.12
  5. Step 5: Solve for x
    x = 4,695,546,112.12/78,922.44
  6. Step 6: Final answer
    x = 59,495.70

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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.