Home / 34,078.56-51,114.19-11,892.35

Finding the Fourth Proportional to 34,078.56, 51,114.19 and 11,892.35

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Solution

The fourth proportional to 34,078.56, 51,114.19 and 11,892.35 is: 17,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.56 : 51,114.19 = 11,892.35 : x
  2. Step 2: Convert to fraction form
    34,078.56/51,114.19 = 11,892.35/x
  3. Step 3: Cross multiply
    34,078.56x = 51,114.19 × 11,892.35
  4. Step 4: Simplify right side
    34,078.56x = 607,867,837.45
  5. Step 5: Solve for x
    x = 607,867,837.45/34,078.56
  6. Step 6: Final answer
    x = 17,837.25

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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.