Home / 47,447.88-71,147.61-15,846.56

Finding the Fourth Proportional to 47,447.88, 71,147.61 and 15,846.56

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Solution

The fourth proportional to 47,447.88, 71,147.61 and 15,846.56 is: 23,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,447.88 : 71,147.61 = 15,846.56 : x
  2. Step 2: Convert to fraction form
    47,447.88/71,147.61 = 15,846.56/x
  3. Step 3: Cross multiply
    47,447.88x = 71,147.61 × 15,846.56
  4. Step 4: Simplify right side
    47,447.88x = 1,127,444,514.98
  5. Step 5: Solve for x
    x = 1,127,444,514.98/47,447.88
  6. Step 6: Final answer
    x = 23,761.75

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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.