Home / 66,939.34-92,382.26-36,730.54

Finding the Fourth Proportional to 66,939.34, 92,382.26 and 36,730.54

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Solution

The fourth proportional to 66,939.34, 92,382.26 and 36,730.54 is: 50,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.34 : 92,382.26 = 36,730.54 : x
  2. Step 2: Convert to fraction form
    66,939.34/92,382.26 = 36,730.54/x
  3. Step 3: Cross multiply
    66,939.34x = 92,382.26 × 36,730.54
  4. Step 4: Simplify right side
    66,939.34x = 3,393,250,296.22
  5. Step 5: Solve for x
    x = 3,393,250,296.22/66,939.34
  6. Step 6: Final answer
    x = 50,691.42

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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.