Home / 69,183.86-95,474.29-39,377.78

Finding the Fourth Proportional to 69,183.86, 95,474.29 and 39,377.78

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Solution

The fourth proportional to 69,183.86, 95,474.29 and 39,377.78 is: 54,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,183.86 : 95,474.29 = 39,377.78 : x
  2. Step 2: Convert to fraction form
    69,183.86/95,474.29 = 39,377.78/x
  3. Step 3: Cross multiply
    69,183.86x = 95,474.29 × 39,377.78
  4. Step 4: Simplify right side
    69,183.86x = 3,759,565,587.28
  5. Step 5: Solve for x
    x = 3,759,565,587.28/69,183.86
  6. Step 6: Final answer
    x = 54,341.66

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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.