Home / 68,109.57-102,173.28-22,502.12

Finding the Fourth Proportional to 68,109.57, 102,173.28 and 22,502.12

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Solution

The fourth proportional to 68,109.57, 102,173.28 and 22,502.12 is: 33,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,109.57 : 102,173.28 = 22,502.12 : x
  2. Step 2: Convert to fraction form
    68,109.57/102,173.28 = 22,502.12/x
  3. Step 3: Cross multiply
    68,109.57x = 102,173.28 × 22,502.12
  4. Step 4: Simplify right side
    68,109.57x = 2,299,114,873.98
  5. Step 5: Solve for x
    x = 2,299,114,873.98/68,109.57
  6. Step 6: Final answer
    x = 33,756.12

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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.