Home / 53,115.80-79,636.78-23,517.48

Finding the Fourth Proportional to 53,115.80, 79,636.78 and 23,517.48

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Solution

The fourth proportional to 53,115.80, 79,636.78 and 23,517.48 is: 35,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.80 : 79,636.78 = 23,517.48 : x
  2. Step 2: Convert to fraction form
    53,115.80/79,636.78 = 23,517.48/x
  3. Step 3: Cross multiply
    53,115.80x = 79,636.78 × 23,517.48
  4. Step 4: Simplify right side
    53,115.80x = 1,872,856,380.91
  5. Step 5: Solve for x
    x = 1,872,856,380.91/53,115.80
  6. Step 6: Final answer
    x = 35,259.87

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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.