Home / 86,305.76-119,067.73-52,791.20

Finding the Fourth Proportional to 86,305.76, 119,067.73 and 52,791.20

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Solution

The fourth proportional to 86,305.76, 119,067.73 and 52,791.20 is: 72,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,305.76 : 119,067.73 = 52,791.20 : x
  2. Step 2: Convert to fraction form
    86,305.76/119,067.73 = 52,791.20/x
  3. Step 3: Cross multiply
    86,305.76x = 119,067.73 × 52,791.20
  4. Step 4: Simplify right side
    86,305.76x = 6,285,727,620.66
  5. Step 5: Solve for x
    x = 6,285,727,620.66/86,305.76
  6. Step 6: Final answer
    x = 72,830.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.