Home / 78,744.45-118,122.60-22,584.12

Finding the Fourth Proportional to 78,744.45, 118,122.60 and 22,584.12

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Solution

The fourth proportional to 78,744.45, 118,122.60 and 22,584.12 is: 33,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,744.45 : 118,122.60 = 22,584.12 : x
  2. Step 2: Convert to fraction form
    78,744.45/118,122.60 = 22,584.12/x
  3. Step 3: Cross multiply
    78,744.45x = 118,122.60 × 22,584.12
  4. Step 4: Simplify right side
    78,744.45x = 2,667,694,973.11
  5. Step 5: Solve for x
    x = 2,667,694,973.11/78,744.45
  6. Step 6: Final answer
    x = 33,877.88

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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.