Home / 49,608.28-74,412.62-12,168.60

Finding the Fourth Proportional to 49,608.28, 74,412.62 and 12,168.60

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Solution

The fourth proportional to 49,608.28, 74,412.62 and 12,168.60 is: 18,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,608.28 : 74,412.62 = 12,168.60 : x
  2. Step 2: Convert to fraction form
    49,608.28/74,412.62 = 12,168.60/x
  3. Step 3: Cross multiply
    49,608.28x = 74,412.62 × 12,168.60
  4. Step 4: Simplify right side
    49,608.28x = 905,497,407.73
  5. Step 5: Solve for x
    x = 905,497,407.73/49,608.28
  6. Step 6: Final answer
    x = 18,252.95

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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.