Home / 47,129.18-70,694.37-12,067.92

Finding the Fourth Proportional to 47,129.18, 70,694.37 and 12,067.92

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Solution

The fourth proportional to 47,129.18, 70,694.37 and 12,067.92 is: 18,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.18 : 70,694.37 = 12,067.92 : x
  2. Step 2: Convert to fraction form
    47,129.18/70,694.37 = 12,067.92/x
  3. Step 3: Cross multiply
    47,129.18x = 70,694.37 × 12,067.92
  4. Step 4: Simplify right side
    47,129.18x = 853,134,001.61
  5. Step 5: Solve for x
    x = 853,134,001.61/47,129.18
  6. Step 6: Final answer
    x = 18,102.04

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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.