Home / 78,270.44-117,299.42-36,057.64

Finding the Fourth Proportional to 78,270.44, 117,299.42 and 36,057.64

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Solution

The fourth proportional to 78,270.44, 117,299.42 and 36,057.64 is: 54,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,270.44 : 117,299.42 = 36,057.64 : x
  2. Step 2: Convert to fraction form
    78,270.44/117,299.42 = 36,057.64/x
  3. Step 3: Cross multiply
    78,270.44x = 117,299.42 × 36,057.64
  4. Step 4: Simplify right side
    78,270.44x = 4,229,540,258.57
  5. Step 5: Solve for x
    x = 4,229,540,258.57/78,270.44
  6. Step 6: Final answer
    x = 54,037.52

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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.