Home / 80,584.20-111,174.35-46,586.43

Finding the Fourth Proportional to 80,584.20, 111,174.35 and 46,586.43

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Solution

The fourth proportional to 80,584.20, 111,174.35 and 46,586.43 is: 64,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,584.20 : 111,174.35 = 46,586.43 : x
  2. Step 2: Convert to fraction form
    80,584.20/111,174.35 = 46,586.43/x
  3. Step 3: Cross multiply
    80,584.20x = 111,174.35 × 46,586.43
  4. Step 4: Simplify right side
    80,584.20x = 5,179,216,314.99
  5. Step 5: Solve for x
    x = 5,179,216,314.99/80,584.20
  6. Step 6: Final answer
    x = 64,270.87

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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.