Home / 69,320.43-95,662.08-39,105.65

Finding the Fourth Proportional to 69,320.43, 95,662.08 and 39,105.65

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Solution

The fourth proportional to 69,320.43, 95,662.08 and 39,105.65 is: 53,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,320.43 : 95,662.08 = 39,105.65 : x
  2. Step 2: Convert to fraction form
    69,320.43/95,662.08 = 39,105.65/x
  3. Step 3: Cross multiply
    69,320.43x = 95,662.08 × 39,105.65
  4. Step 4: Simplify right side
    69,320.43x = 3,740,928,057.91
  5. Step 5: Solve for x
    x = 3,740,928,057.91/69,320.43
  6. Step 6: Final answer
    x = 53,965.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.