Home / 60,745.21-91,145.52-31,183.83

Finding the Fourth Proportional to 60,745.21, 91,145.52 and 31,183.83

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Solution

The fourth proportional to 60,745.21, 91,145.52 and 31,183.83 is: 46,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,745.21 : 91,145.52 = 31,183.83 : x
  2. Step 2: Convert to fraction form
    60,745.21/91,145.52 = 31,183.83/x
  3. Step 3: Cross multiply
    60,745.21x = 91,145.52 × 31,183.83
  4. Step 4: Simplify right side
    60,745.21x = 2,842,266,400.94
  5. Step 5: Solve for x
    x = 2,842,266,400.94/60,745.21
  6. Step 6: Final answer
    x = 46,789.97

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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.