Home / 82,134.58-123,217.07-25,988.83

Finding the Fourth Proportional to 82,134.58, 123,217.07 and 25,988.83

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Solution

The fourth proportional to 82,134.58, 123,217.07 and 25,988.83 is: 38,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,134.58 : 123,217.07 = 25,988.83 : x
  2. Step 2: Convert to fraction form
    82,134.58/123,217.07 = 25,988.83/x
  3. Step 3: Cross multiply
    82,134.58x = 123,217.07 × 25,988.83
  4. Step 4: Simplify right side
    82,134.58x = 3,202,267,485.33
  5. Step 5: Solve for x
    x = 3,202,267,485.33/82,134.58
  6. Step 6: Final answer
    x = 38,988.05

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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.