Home / 53,080.42-79,631.07-17,540.31

Finding the Fourth Proportional to 53,080.42, 79,631.07 and 17,540.31

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Solution

The fourth proportional to 53,080.42, 79,631.07 and 17,540.31 is: 26,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,080.42 : 79,631.07 = 17,540.31 : x
  2. Step 2: Convert to fraction form
    53,080.42/79,631.07 = 17,540.31/x
  3. Step 3: Cross multiply
    53,080.42x = 79,631.07 × 17,540.31
  4. Step 4: Simplify right side
    53,080.42x = 1,396,753,653.43
  5. Step 5: Solve for x
    x = 1,396,753,653.43/53,080.42
  6. Step 6: Final answer
    x = 26,313.91

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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.