Home / 47,231.44-70,851.30-12,171.04

Finding the Fourth Proportional to 47,231.44, 70,851.30 and 12,171.04

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Solution

The fourth proportional to 47,231.44, 70,851.30 and 12,171.04 is: 18,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,231.44 : 70,851.30 = 12,171.04 : x
  2. Step 2: Convert to fraction form
    47,231.44/70,851.30 = 12,171.04/x
  3. Step 3: Cross multiply
    47,231.44x = 70,851.30 × 12,171.04
  4. Step 4: Simplify right side
    47,231.44x = 862,334,006.35
  5. Step 5: Solve for x
    x = 862,334,006.35/47,231.44
  6. Step 6: Final answer
    x = 18,257.63

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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.