Home / 76,910.23-106,107.73-45,067.51

Finding the Fourth Proportional to 76,910.23, 106,107.73 and 45,067.51

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Solution

The fourth proportional to 76,910.23, 106,107.73 and 45,067.51 is: 62,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,910.23 : 106,107.73 = 45,067.51 : x
  2. Step 2: Convert to fraction form
    76,910.23/106,107.73 = 45,067.51/x
  3. Step 3: Cross multiply
    76,910.23x = 106,107.73 × 45,067.51
  4. Step 4: Simplify right side
    76,910.23x = 4,782,011,182.85
  5. Step 5: Solve for x
    x = 4,782,011,182.85/76,910.23
  6. Step 6: Final answer
    x = 62,176.53

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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.