Home / 94,919.72-142,380.79-28,344.60

Finding the Fourth Proportional to 94,919.72, 142,380.79 and 28,344.60

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Solution

The fourth proportional to 94,919.72, 142,380.79 and 28,344.60 is: 42,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,919.72 : 142,380.79 = 28,344.60 : x
  2. Step 2: Convert to fraction form
    94,919.72/142,380.79 = 28,344.60/x
  3. Step 3: Cross multiply
    94,919.72x = 142,380.79 × 28,344.60
  4. Step 4: Simplify right side
    94,919.72x = 4,035,726,469.37
  5. Step 5: Solve for x
    x = 4,035,726,469.37/94,919.72
  6. Step 6: Final answer
    x = 42,517.26

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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.