Home / 82,771.65-124,136.92-23,607.83

Finding the Fourth Proportional to 82,771.65, 124,136.92 and 23,607.83

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Solution

The fourth proportional to 82,771.65, 124,136.92 and 23,607.83 is: 35,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,771.65 : 124,136.92 = 23,607.83 : x
  2. Step 2: Convert to fraction form
    82,771.65/124,136.92 = 23,607.83/x
  3. Step 3: Cross multiply
    82,771.65x = 124,136.92 × 23,607.83
  4. Step 4: Simplify right side
    82,771.65x = 2,930,603,304.08
  5. Step 5: Solve for x
    x = 2,930,603,304.08/82,771.65
  6. Step 6: Final answer
    x = 35,405.88

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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.