Home / 48,786.30-73,179.45-19,187.96

Finding the Fourth Proportional to 48,786.30, 73,179.45 and 19,187.96

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Solution

The fourth proportional to 48,786.30, 73,179.45 and 19,187.96 is: 28,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,786.30 : 73,179.45 = 19,187.96 : x
  2. Step 2: Convert to fraction form
    48,786.30/73,179.45 = 19,187.96/x
  3. Step 3: Cross multiply
    48,786.30x = 73,179.45 × 19,187.96
  4. Step 4: Simplify right side
    48,786.30x = 1,404,163,993.52
  5. Step 5: Solve for x
    x = 1,404,163,993.52/48,786.30
  6. Step 6: Final answer
    x = 28,781.93

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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.