Home / 48,879.36-73,310.40-13,809.60

Finding the Fourth Proportional to 48,879.36, 73,310.40 and 13,809.60

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Solution

The fourth proportional to 48,879.36, 73,310.40 and 13,809.60 is: 20,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,879.36 : 73,310.40 = 13,809.60 : x
  2. Step 2: Convert to fraction form
    48,879.36/73,310.40 = 13,809.60/x
  3. Step 3: Cross multiply
    48,879.36x = 73,310.40 × 13,809.60
  4. Step 4: Simplify right side
    48,879.36x = 1,012,387,299.84
  5. Step 5: Solve for x
    x = 1,012,387,299.84/48,879.36
  6. Step 6: Final answer
    x = 20,711.96

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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.