Home / 50,869.20-76,298.92-31,137.60

Finding the Fourth Proportional to 50,869.20, 76,298.92 and 31,137.60

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Solution

The fourth proportional to 50,869.20, 76,298.92 and 31,137.60 is: 46,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,869.20 : 76,298.92 = 31,137.60 : x
  2. Step 2: Convert to fraction form
    50,869.20/76,298.92 = 31,137.60/x
  3. Step 3: Cross multiply
    50,869.20x = 76,298.92 × 31,137.60
  4. Step 4: Simplify right side
    50,869.20x = 2,375,765,251.39
  5. Step 5: Solve for x
    x = 2,375,765,251.39/50,869.20
  6. Step 6: Final answer
    x = 46,703.41

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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.