Home / 66,076.46-91,186.19-35,862.05

Finding the Fourth Proportional to 66,076.46, 91,186.19 and 35,862.05

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Solution

The fourth proportional to 66,076.46, 91,186.19 and 35,862.05 is: 49,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,076.46 : 91,186.19 = 35,862.05 : x
  2. Step 2: Convert to fraction form
    66,076.46/91,186.19 = 35,862.05/x
  3. Step 3: Cross multiply
    66,076.46x = 91,186.19 × 35,862.05
  4. Step 4: Simplify right side
    66,076.46x = 3,270,123,069.85
  5. Step 5: Solve for x
    x = 3,270,123,069.85/66,076.46
  6. Step 6: Final answer
    x = 49,489.99

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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.