Home / 63,979.52-95,983.32-19,609.61

Finding the Fourth Proportional to 63,979.52, 95,983.32 and 19,609.61

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Solution

The fourth proportional to 63,979.52, 95,983.32 and 19,609.61 is: 29,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.52 : 95,983.32 = 19,609.61 : x
  2. Step 2: Convert to fraction form
    63,979.52/95,983.32 = 19,609.61/x
  3. Step 3: Cross multiply
    63,979.52x = 95,983.32 × 19,609.61
  4. Step 4: Simplify right side
    63,979.52x = 1,882,195,471.71
  5. Step 5: Solve for x
    x = 1,882,195,471.71/63,979.52
  6. Step 6: Final answer
    x = 29,418.72

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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.