Home / 66,107.09-91,227.27-35,891.81

Finding the Fourth Proportional to 66,107.09, 91,227.27 and 35,891.81

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Solution

The fourth proportional to 66,107.09, 91,227.27 and 35,891.81 is: 49,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,107.09 : 91,227.27 = 35,891.81 : x
  2. Step 2: Convert to fraction form
    66,107.09/91,227.27 = 35,891.81/x
  3. Step 3: Cross multiply
    66,107.09x = 91,227.27 × 35,891.81
  4. Step 4: Simplify right side
    66,107.09x = 3,274,311,841.66
  5. Step 5: Solve for x
    x = 3,274,311,841.66/66,107.09
  6. Step 6: Final answer
    x = 49,530.42

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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.