Home / 47,690.62-71,535.94-18,108.48

Finding the Fourth Proportional to 47,690.62, 71,535.94 and 18,108.48

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Solution

The fourth proportional to 47,690.62, 71,535.94 and 18,108.48 is: 27,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,690.62 : 71,535.94 = 18,108.48 : x
  2. Step 2: Convert to fraction form
    47,690.62/71,535.94 = 18,108.48/x
  3. Step 3: Cross multiply
    47,690.62x = 71,535.94 × 18,108.48
  4. Step 4: Simplify right side
    47,690.62x = 1,295,407,138.77
  5. Step 5: Solve for x
    x = 1,295,407,138.77/47,690.62
  6. Step 6: Final answer
    x = 27,162.72

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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.