Home / 48,757.71-73,122.07-20,677.35

Finding the Fourth Proportional to 48,757.71, 73,122.07 and 20,677.35

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Solution

The fourth proportional to 48,757.71, 73,122.07 and 20,677.35 is: 31,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,757.71 : 73,122.07 = 20,677.35 : x
  2. Step 2: Convert to fraction form
    48,757.71/73,122.07 = 20,677.35/x
  3. Step 3: Cross multiply
    48,757.71x = 73,122.07 × 20,677.35
  4. Step 4: Simplify right side
    48,757.71x = 1,511,970,634.11
  5. Step 5: Solve for x
    x = 1,511,970,634.11/48,757.71
  6. Step 6: Final answer
    x = 31,009.88

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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.