Home / 47,910.39-71,879.61-14,177.30

Finding the Fourth Proportional to 47,910.39, 71,879.61 and 14,177.30

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Solution

The fourth proportional to 47,910.39, 71,879.61 and 14,177.30 is: 21,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.39 : 71,879.61 = 14,177.30 : x
  2. Step 2: Convert to fraction form
    47,910.39/71,879.61 = 14,177.30/x
  3. Step 3: Cross multiply
    47,910.39x = 71,879.61 × 14,177.30
  4. Step 4: Simplify right side
    47,910.39x = 1,019,058,794.85
  5. Step 5: Solve for x
    x = 1,019,058,794.85/47,910.39
  6. Step 6: Final answer
    x = 21,270.10

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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.