Home / 66,934.31-92,372.22-40,071.62

Finding the Fourth Proportional to 66,934.31, 92,372.22 and 40,071.62

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Solution

The fourth proportional to 66,934.31, 92,372.22 and 40,071.62 is: 55,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,934.31 : 92,372.22 = 40,071.62 : x
  2. Step 2: Convert to fraction form
    66,934.31/92,372.22 = 40,071.62/x
  3. Step 3: Cross multiply
    66,934.31x = 92,372.22 × 40,071.62
  4. Step 4: Simplify right side
    66,934.31x = 3,701,504,498.40
  5. Step 5: Solve for x
    x = 3,701,504,498.40/66,934.31
  6. Step 6: Final answer
    x = 55,300.56

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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.