Home / 47,747.58-71,628.91-15,716.63

Finding the Fourth Proportional to 47,747.58, 71,628.91 and 15,716.63

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Solution

The fourth proportional to 47,747.58, 71,628.91 and 15,716.63 is: 23,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,747.58 : 71,628.91 = 15,716.63 : x
  2. Step 2: Convert to fraction form
    47,747.58/71,628.91 = 15,716.63/x
  3. Step 3: Cross multiply
    47,747.58x = 71,628.91 × 15,716.63
  4. Step 4: Simplify right side
    47,747.58x = 1,125,765,215.55
  5. Step 5: Solve for x
    x = 1,125,765,215.55/47,747.58
  6. Step 6: Final answer
    x = 23,577.43

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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.