Home / 68,556.43-102,845.45-29,113.75

Finding the Fourth Proportional to 68,556.43, 102,845.45 and 29,113.75

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Solution

The fourth proportional to 68,556.43, 102,845.45 and 29,113.75 is: 43,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,556.43 : 102,845.45 = 29,113.75 : x
  2. Step 2: Convert to fraction form
    68,556.43/102,845.45 = 29,113.75/x
  3. Step 3: Cross multiply
    68,556.43x = 102,845.45 × 29,113.75
  4. Step 4: Simplify right side
    68,556.43x = 2,994,216,719.94
  5. Step 5: Solve for x
    x = 2,994,216,719.94/68,556.43
  6. Step 6: Final answer
    x = 43,675.21

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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.