Home / 48,845.45-73,281.26-20,766.80

Finding the Fourth Proportional to 48,845.45, 73,281.26 and 20,766.80

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Solution

The fourth proportional to 48,845.45, 73,281.26 and 20,766.80 is: 31,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,845.45 : 73,281.26 = 20,766.80 : x
  2. Step 2: Convert to fraction form
    48,845.45/73,281.26 = 20,766.80/x
  3. Step 3: Cross multiply
    48,845.45x = 73,281.26 × 20,766.80
  4. Step 4: Simplify right side
    48,845.45x = 1,521,816,955.68
  5. Step 5: Solve for x
    x = 1,521,816,955.68/48,845.45
  6. Step 6: Final answer
    x = 31,155.76

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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.