Home / 68,372.22-102,550.05-18,448.50

Finding the Fourth Proportional to 68,372.22, 102,550.05 and 18,448.50

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Solution

The fourth proportional to 68,372.22, 102,550.05 and 18,448.50 is: 27,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,372.22 : 102,550.05 = 18,448.50 : x
  2. Step 2: Convert to fraction form
    68,372.22/102,550.05 = 18,448.50/x
  3. Step 3: Cross multiply
    68,372.22x = 102,550.05 × 18,448.50
  4. Step 4: Simplify right side
    68,372.22x = 1,891,894,597.43
  5. Step 5: Solve for x
    x = 1,891,894,597.43/68,372.22
  6. Step 6: Final answer
    x = 27,670.52

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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.