Home / 67,129.13-92,636.22-36,914.42

Finding the Fourth Proportional to 67,129.13, 92,636.22 and 36,914.42

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Solution

The fourth proportional to 67,129.13, 92,636.22 and 36,914.42 is: 50,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.13 : 92,636.22 = 36,914.42 : x
  2. Step 2: Convert to fraction form
    67,129.13/92,636.22 = 36,914.42/x
  3. Step 3: Cross multiply
    67,129.13x = 92,636.22 × 36,914.42
  4. Step 4: Simplify right side
    67,129.13x = 3,419,611,869.11
  5. Step 5: Solve for x
    x = 3,419,611,869.11/67,129.13
  6. Step 6: Final answer
    x = 50,940.81

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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.