Home / 66,940.09-92,383.30-36,731.29

Finding the Fourth Proportional to 66,940.09, 92,383.30 and 36,731.29

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Solution

The fourth proportional to 66,940.09, 92,383.30 and 36,731.29 is: 50,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,940.09 : 92,383.30 = 36,731.29 : x
  2. Step 2: Convert to fraction form
    66,940.09/92,383.30 = 36,731.29/x
  3. Step 3: Cross multiply
    66,940.09x = 92,383.30 × 36,731.29
  4. Step 4: Simplify right side
    66,940.09x = 3,393,357,783.46
  5. Step 5: Solve for x
    x = 3,393,357,783.46/66,940.09
  6. Step 6: Final answer
    x = 50,692.46

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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.