Home / 114,990.92-172,474.26-30,759.59

Finding the Fourth Proportional to 114,990.92, 172,474.26 and 30,759.59

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Solution

The fourth proportional to 114,990.92, 172,474.26 and 30,759.59 is: 46,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,990.92 : 172,474.26 = 30,759.59 : x
  2. Step 2: Convert to fraction form
    114,990.92/172,474.26 = 30,759.59/x
  3. Step 3: Cross multiply
    114,990.92x = 172,474.26 × 30,759.59
  4. Step 4: Simplify right side
    114,990.92x = 5,305,237,523.15
  5. Step 5: Solve for x
    x = 5,305,237,523.15/114,990.92
  6. Step 6: Final answer
    x = 46,136.14

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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.