Home / 51,910.20-77,813.46-25,633.80

Finding the Fourth Proportional to 51,910.20, 77,813.46 and 25,633.80

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Solution

The fourth proportional to 51,910.20, 77,813.46 and 25,633.80 is: 38,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,910.20 : 77,813.46 = 25,633.80 : x
  2. Step 2: Convert to fraction form
    51,910.20/77,813.46 = 25,633.80/x
  3. Step 3: Cross multiply
    51,910.20x = 77,813.46 × 25,633.80
  4. Step 4: Simplify right side
    51,910.20x = 1,994,654,670.95
  5. Step 5: Solve for x
    x = 1,994,654,670.95/51,910.20
  6. Step 6: Final answer
    x = 38,425.10

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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.