Home / 78,984.44-108,998.26-43,174.44

Finding the Fourth Proportional to 78,984.44, 108,998.26 and 43,174.44

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Solution

The fourth proportional to 78,984.44, 108,998.26 and 43,174.44 is: 59,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,984.44 : 108,998.26 = 43,174.44 : x
  2. Step 2: Convert to fraction form
    78,984.44/108,998.26 = 43,174.44/x
  3. Step 3: Cross multiply
    78,984.44x = 108,998.26 × 43,174.44
  4. Step 4: Simplify right side
    78,984.44x = 4,705,938,836.47
  5. Step 5: Solve for x
    x = 4,705,938,836.47/78,984.44
  6. Step 6: Final answer
    x = 59,580.58

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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.