Home / 66,820.22-92,211.92-36,606.64

Finding the Fourth Proportional to 66,820.22, 92,211.92 and 36,606.64

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Solution

The fourth proportional to 66,820.22, 92,211.92 and 36,606.64 is: 50,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,820.22 : 92,211.92 = 36,606.64 : x
  2. Step 2: Convert to fraction form
    66,820.22/92,211.92 = 36,606.64/x
  3. Step 3: Cross multiply
    66,820.22x = 92,211.92 × 36,606.64
  4. Step 4: Simplify right side
    66,820.22x = 3,375,567,915.06
  5. Step 5: Solve for x
    x = 3,375,567,915.06/66,820.22
  6. Step 6: Final answer
    x = 50,517.16

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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.