Home / 47,268.28-70,906.38-12,208.60

Finding the Fourth Proportional to 47,268.28, 70,906.38 and 12,208.60

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Solution

The fourth proportional to 47,268.28, 70,906.38 and 12,208.60 is: 18,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,268.28 : 70,906.38 = 12,208.60 : x
  2. Step 2: Convert to fraction form
    47,268.28/70,906.38 = 12,208.60/x
  3. Step 3: Cross multiply
    47,268.28x = 70,906.38 × 12,208.60
  4. Step 4: Simplify right side
    47,268.28x = 865,667,630.87
  5. Step 5: Solve for x
    x = 865,667,630.87/47,268.28
  6. Step 6: Final answer
    x = 18,313.92

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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.