Home / 50,867.73-76,335.48-20,906.55

Finding the Fourth Proportional to 50,867.73, 76,335.48 and 20,906.55

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Solution

The fourth proportional to 50,867.73, 76,335.48 and 20,906.55 is: 31,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,867.73 : 76,335.48 = 20,906.55 : x
  2. Step 2: Convert to fraction form
    50,867.73/76,335.48 = 20,906.55/x
  3. Step 3: Cross multiply
    50,867.73x = 76,335.48 × 20,906.55
  4. Step 4: Simplify right side
    50,867.73x = 1,595,911,529.39
  5. Step 5: Solve for x
    x = 1,595,911,529.39/50,867.73
  6. Step 6: Final answer
    x = 31,373.75

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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.