Home / 115,136.22-172,727.61-48,576.51

Finding the Fourth Proportional to 115,136.22, 172,727.61 and 48,576.51

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Solution

The fourth proportional to 115,136.22, 172,727.61 and 48,576.51 is: 72,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,136.22 : 172,727.61 = 48,576.51 : x
  2. Step 2: Convert to fraction form
    115,136.22/172,727.61 = 48,576.51/x
  3. Step 3: Cross multiply
    115,136.22x = 172,727.61 × 48,576.51
  4. Step 4: Simplify right side
    115,136.22x = 8,390,504,474.44
  5. Step 5: Solve for x
    x = 8,390,504,474.44/115,136.22
  6. Step 6: Final answer
    x = 72,874.59

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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.