Home / 66,180.19-91,329.25-35,965.51

Finding the Fourth Proportional to 66,180.19, 91,329.25 and 35,965.51

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Solution

The fourth proportional to 66,180.19, 91,329.25 and 35,965.51 is: 49,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180.19 : 91,329.25 = 35,965.51 : x
  2. Step 2: Convert to fraction form
    66,180.19/91,329.25 = 35,965.51/x
  3. Step 3: Cross multiply
    66,180.19x = 91,329.25 × 35,965.51
  4. Step 4: Simplify right side
    66,180.19x = 3,284,703,078.42
  5. Step 5: Solve for x
    x = 3,284,703,078.42/66,180.19
  6. Step 6: Final answer
    x = 49,632.73

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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.