Home / 68,028.90-102,044.40-25,911.33

Finding the Fourth Proportional to 68,028.90, 102,044.40 and 25,911.33

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Solution

The fourth proportional to 68,028.90, 102,044.40 and 25,911.33 is: 38,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,028.90 : 102,044.40 = 25,911.33 : x
  2. Step 2: Convert to fraction form
    68,028.90/102,044.40 = 25,911.33/x
  3. Step 3: Cross multiply
    68,028.90x = 102,044.40 × 25,911.33
  4. Step 4: Simplify right side
    68,028.90x = 2,644,106,123.05
  5. Step 5: Solve for x
    x = 2,644,106,123.05/68,028.90
  6. Step 6: Final answer
    x = 38,867.39

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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.