Home / 66,156.67-91,304.18-37,861.75

Finding the Fourth Proportional to 66,156.67, 91,304.18 and 37,861.75

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Solution

The fourth proportional to 66,156.67, 91,304.18 and 37,861.75 is: 52,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.67 : 91,304.18 = 37,861.75 : x
  2. Step 2: Convert to fraction form
    66,156.67/91,304.18 = 37,861.75/x
  3. Step 3: Cross multiply
    66,156.67x = 91,304.18 × 37,861.75
  4. Step 4: Simplify right side
    66,156.67x = 3,456,936,037.12
  5. Step 5: Solve for x
    x = 3,456,936,037.12/66,156.67
  6. Step 6: Final answer
    x = 52,253.78

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1.5x scale

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.