Home / 34,078.19-51,125.83-11,891.75

Finding the Fourth Proportional to 34,078.19, 51,125.83 and 11,891.75

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Solution

The fourth proportional to 34,078.19, 51,125.83 and 11,891.75 is: 17,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.19 : 51,125.83 = 11,891.75 : x
  2. Step 2: Convert to fraction form
    34,078.19/51,125.83 = 11,891.75/x
  3. Step 3: Cross multiply
    34,078.19x = 51,125.83 × 11,891.75
  4. Step 4: Simplify right side
    34,078.19x = 607,975,686.99
  5. Step 5: Solve for x
    x = 607,975,686.99/34,078.19
  6. Step 6: Final answer
    x = 17,840.61

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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.