Home / 68,376.22-102,556.04-18,452.50

Finding the Fourth Proportional to 68,376.22, 102,556.04 and 18,452.50

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Solution

The fourth proportional to 68,376.22, 102,556.04 and 18,452.50 is: 27,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,376.22 : 102,556.04 = 18,452.50 : x
  2. Step 2: Convert to fraction form
    68,376.22/102,556.04 = 18,452.50/x
  3. Step 3: Cross multiply
    68,376.22x = 102,556.04 × 18,452.50
  4. Step 4: Simplify right side
    68,376.22x = 1,892,415,328.10
  5. Step 5: Solve for x
    x = 1,892,415,328.10/68,376.22
  6. Step 6: Final answer
    x = 27,676.51

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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.