Home / 78,836.66-118,237.25-22,664.27

Finding the Fourth Proportional to 78,836.66, 118,237.25 and 22,664.27

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Solution

The fourth proportional to 78,836.66, 118,237.25 and 22,664.27 is: 33,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,836.66 : 118,237.25 = 22,664.27 : x
  2. Step 2: Convert to fraction form
    78,836.66/118,237.25 = 22,664.27/x
  3. Step 3: Cross multiply
    78,836.66x = 118,237.25 × 22,664.27
  4. Step 4: Simplify right side
    78,836.66x = 2,679,761,310.31
  5. Step 5: Solve for x
    x = 2,679,761,310.31/78,836.66
  6. Step 6: Final answer
    x = 33,991.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.