Home / 51,897.20-77,793.96-25,620.80

Finding the Fourth Proportional to 51,897.20, 77,793.96 and 25,620.80

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Solution

The fourth proportional to 51,897.20, 77,793.96 and 25,620.80 is: 38,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,897.20 : 77,793.96 = 25,620.80 : x
  2. Step 2: Convert to fraction form
    51,897.20/77,793.96 = 25,620.80/x
  3. Step 3: Cross multiply
    51,897.20x = 77,793.96 × 25,620.80
  4. Step 4: Simplify right side
    51,897.20x = 1,993,143,490.37
  5. Step 5: Solve for x
    x = 1,993,143,490.37/51,897.20
  6. Step 6: Final answer
    x = 38,405.61

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1.5x scale

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.