Home / 57,379.41-86,069.12-17,936.55

Finding the Fourth Proportional to 57,379.41, 86,069.12 and 17,936.55

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Solution

The fourth proportional to 57,379.41, 86,069.12 and 17,936.55 is: 26,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,379.41 : 86,069.12 = 17,936.55 : x
  2. Step 2: Convert to fraction form
    57,379.41/86,069.12 = 17,936.55/x
  3. Step 3: Cross multiply
    57,379.41x = 86,069.12 × 17,936.55
  4. Step 4: Simplify right side
    57,379.41x = 1,543,782,984.65
  5. Step 5: Solve for x
    x = 1,543,782,984.65/57,379.41
  6. Step 6: Final answer
    x = 26,904.83

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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.