Home / 53,540.91-80,315.31-14,097.75

Finding the Fourth Proportional to 53,540.91, 80,315.31 and 14,097.75

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Solution

The fourth proportional to 53,540.91, 80,315.31 and 14,097.75 is: 21,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.91 : 80,315.31 = 14,097.75 : x
  2. Step 2: Convert to fraction form
    53,540.91/80,315.31 = 14,097.75/x
  3. Step 3: Cross multiply
    53,540.91x = 80,315.31 × 14,097.75
  4. Step 4: Simplify right side
    53,540.91x = 1,132,265,161.55
  5. Step 5: Solve for x
    x = 1,132,265,161.55/53,540.91
  6. Step 6: Final answer
    x = 21,147.66

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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.