Home / 71,942.72-99,288.35-45,766.86

Finding the Fourth Proportional to 71,942.72, 99,288.35 and 45,766.86

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Solution

The fourth proportional to 71,942.72, 99,288.35 and 45,766.86 is: 63,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,942.72 : 99,288.35 = 45,766.86 : x
  2. Step 2: Convert to fraction form
    71,942.72/99,288.35 = 45,766.86/x
  3. Step 3: Cross multiply
    71,942.72x = 99,288.35 × 45,766.86
  4. Step 4: Simplify right side
    71,942.72x = 4,544,115,584.54
  5. Step 5: Solve for x
    x = 4,544,115,584.54/71,942.72
  6. Step 6: Final answer
    x = 63,162.97

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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.