Home / 82,177.22-123,559.25-75,681.83

Finding the Fourth Proportional to 82,177.22, 123,559.25 and 75,681.83

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Solution

The fourth proportional to 82,177.22, 123,559.25 and 75,681.83 is: 113,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,177.22 : 123,559.25 = 75,681.83 : x
  2. Step 2: Convert to fraction form
    82,177.22/123,559.25 = 75,681.83/x
  3. Step 3: Cross multiply
    82,177.22x = 123,559.25 × 75,681.83
  4. Step 4: Simplify right side
    82,177.22x = 9,351,189,157.22
  5. Step 5: Solve for x
    x = 9,351,189,157.22/82,177.22
  6. Step 6: Final answer
    x = 113,792.97

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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.