Home / 53,218.92-79,836.05-17,668.15

Finding the Fourth Proportional to 53,218.92, 79,836.05 and 17,668.15

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Solution

The fourth proportional to 53,218.92, 79,836.05 and 17,668.15 is: 26,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.92 : 79,836.05 = 17,668.15 : x
  2. Step 2: Convert to fraction form
    53,218.92/79,836.05 = 17,668.15/x
  3. Step 3: Cross multiply
    53,218.92x = 79,836.05 × 17,668.15
  4. Step 4: Simplify right side
    53,218.92x = 1,410,555,306.81
  5. Step 5: Solve for x
    x = 1,410,555,306.81/53,218.92
  6. Step 6: Final answer
    x = 26,504.77

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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.