Home / 66,076.18-91,185.17-35,861.49

Finding the Fourth Proportional to 66,076.18, 91,185.17 and 35,861.49

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Solution

The fourth proportional to 66,076.18, 91,185.17 and 35,861.49 is: 49,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,076.18 : 91,185.17 = 35,861.49 : x
  2. Step 2: Convert to fraction form
    66,076.18/91,185.17 = 35,861.49/x
  3. Step 3: Cross multiply
    66,076.18x = 91,185.17 × 35,861.49
  4. Step 4: Simplify right side
    66,076.18x = 3,270,036,062.10
  5. Step 5: Solve for x
    x = 3,270,036,062.10/66,076.18
  6. Step 6: Final answer
    x = 49,488.88

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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.