Home / 66,822-92,213.52-36,606.96

Finding the Fourth Proportional to 66,822, 92,213.52 and 36,606.96

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Solution

The fourth proportional to 66,822, 92,213.52 and 36,606.96 is: 50,517.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,822 : 92,213.52 = 36,606.96 : x
  2. Step 2: Convert to fraction form
    66,822/92,213.52 = 36,606.96/x
  3. Step 3: Cross multiply
    66,822x = 92,213.52 × 36,606.96
  4. Step 4: Simplify right side
    66,822x = 3,375,656,638.10
  5. Step 5: Solve for x
    x = 3,375,656,638.10/66,822
  6. Step 6: Final answer
    x = 50,517.14

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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.