Home / 66,768.30-92,140.26-36,553.80

Finding the Fourth Proportional to 66,768.30, 92,140.26 and 36,553.80

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Solution

The fourth proportional to 66,768.30, 92,140.26 and 36,553.80 is: 50,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,768.30 : 92,140.26 = 36,553.80 : x
  2. Step 2: Convert to fraction form
    66,768.30/92,140.26 = 36,553.80/x
  3. Step 3: Cross multiply
    66,768.30x = 92,140.26 × 36,553.80
  4. Step 4: Simplify right side
    66,768.30x = 3,368,076,635.99
  5. Step 5: Solve for x
    x = 3,368,076,635.99/66,768.30
  6. Step 6: Final answer
    x = 50,444.25

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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.