Home / 87,446.43-120,674.61-53,449.65

Finding the Fourth Proportional to 87,446.43, 120,674.61 and 53,449.65

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Solution

The fourth proportional to 87,446.43, 120,674.61 and 53,449.65 is: 73,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,446.43 : 120,674.61 = 53,449.65 : x
  2. Step 2: Convert to fraction form
    87,446.43/120,674.61 = 53,449.65/x
  3. Step 3: Cross multiply
    87,446.43x = 120,674.61 × 53,449.65
  4. Step 4: Simplify right side
    87,446.43x = 6,450,015,668.39
  5. Step 5: Solve for x
    x = 6,450,015,668.39/87,446.43
  6. Step 6: Final answer
    x = 73,759.62

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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.