Home / 47,951.08-71,917.96-12,882.53

Finding the Fourth Proportional to 47,951.08, 71,917.96 and 12,882.53

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Solution

The fourth proportional to 47,951.08, 71,917.96 and 12,882.53 is: 19,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,951.08 : 71,917.96 = 12,882.53 : x
  2. Step 2: Convert to fraction form
    47,951.08/71,917.96 = 12,882.53/x
  3. Step 3: Cross multiply
    47,951.08x = 71,917.96 × 12,882.53
  4. Step 4: Simplify right side
    47,951.08x = 926,485,277.24
  5. Step 5: Solve for x
    x = 926,485,277.24/47,951.08
  6. Step 6: Final answer
    x = 19,321.47

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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.