Home / 68,767.50-102,966-45,016.14

Finding the Fourth Proportional to 68,767.50, 102,966 and 45,016.14

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Solution

The fourth proportional to 68,767.50, 102,966 and 45,016.14 is: 67,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,767.50 : 102,966 = 45,016.14 : x
  2. Step 2: Convert to fraction form
    68,767.50/102,966 = 45,016.14/x
  3. Step 3: Cross multiply
    68,767.50x = 102,966 × 45,016.14
  4. Step 4: Simplify right side
    68,767.50x = 4,635,131,871.24
  5. Step 5: Solve for x
    x = 4,635,131,871.24/68,767.50
  6. Step 6: Final answer
    x = 67,402.94

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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.