Home / 68,916-95,089.20-40,611.36

Finding the Fourth Proportional to 68,916, 95,089.20 and 40,611.36

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Solution

The fourth proportional to 68,916, 95,089.20 and 40,611.36 is: 56,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,916 : 95,089.20 = 40,611.36 : x
  2. Step 2: Convert to fraction form
    68,916/95,089.20 = 40,611.36/x
  3. Step 3: Cross multiply
    68,916x = 95,089.20 × 40,611.36
  4. Step 4: Simplify right side
    68,916x = 3,861,701,733.31
  5. Step 5: Solve for x
    x = 3,861,701,733.31/68,916
  6. Step 6: Final answer
    x = 56,034.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.