Home / 66,077.42-91,187.73-35,863.11

Finding the Fourth Proportional to 66,077.42, 91,187.73 and 35,863.11

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Solution

The fourth proportional to 66,077.42, 91,187.73 and 35,863.11 is: 49,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,077.42 : 91,187.73 = 35,863.11 : x
  2. Step 2: Convert to fraction form
    66,077.42/91,187.73 = 35,863.11/x
  3. Step 3: Cross multiply
    66,077.42x = 91,187.73 × 35,863.11
  4. Step 4: Simplify right side
    66,077.42x = 3,270,275,591.64
  5. Step 5: Solve for x
    x = 3,270,275,591.64/66,077.42
  6. Step 6: Final answer
    x = 49,491.58

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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.