Home / 47,201.28-70,791.84-13,912.32

Finding the Fourth Proportional to 47,201.28, 70,791.84 and 13,912.32

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Solution

The fourth proportional to 47,201.28, 70,791.84 and 13,912.32 is: 20,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.28 : 70,791.84 = 13,912.32 : x
  2. Step 2: Convert to fraction form
    47,201.28/70,791.84 = 13,912.32/x
  3. Step 3: Cross multiply
    47,201.28x = 70,791.84 × 13,912.32
  4. Step 4: Simplify right side
    47,201.28x = 984,878,731.47
  5. Step 5: Solve for x
    x = 984,878,731.47/47,201.28
  6. Step 6: Final answer
    x = 20,865.51

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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.