Home / 63,169.20-94,638.60-51,418.80

Finding the Fourth Proportional to 63,169.20, 94,638.60 and 51,418.80

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Solution

The fourth proportional to 63,169.20, 94,638.60 and 51,418.80 is: 77,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,169.20 : 94,638.60 = 51,418.80 : x
  2. Step 2: Convert to fraction form
    63,169.20/94,638.60 = 51,418.80/x
  3. Step 3: Cross multiply
    63,169.20x = 94,638.60 × 51,418.80
  4. Step 4: Simplify right side
    63,169.20x = 4,866,203,245.68
  5. Step 5: Solve for x
    x = 4,866,203,245.68/63,169.20
  6. Step 6: Final answer
    x = 77,034.43

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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.