Home / 99,067.91-136,713.75-53,745.87

Finding the Fourth Proportional to 99,067.91, 136,713.75 and 53,745.87

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Solution

The fourth proportional to 99,067.91, 136,713.75 and 53,745.87 is: 74,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,067.91 : 136,713.75 = 53,745.87 : x
  2. Step 2: Convert to fraction form
    99,067.91/136,713.75 = 53,745.87/x
  3. Step 3: Cross multiply
    99,067.91x = 136,713.75 × 53,745.87
  4. Step 4: Simplify right side
    99,067.91x = 7,347,800,048.16
  5. Step 5: Solve for x
    x = 7,347,800,048.16/99,067.91
  6. Step 6: Final answer
    x = 74,169.33

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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.