Home / 66,141.06-91,276.28-35,926.04

Finding the Fourth Proportional to 66,141.06, 91,276.28 and 35,926.04

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Solution

The fourth proportional to 66,141.06, 91,276.28 and 35,926.04 is: 49,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,141.06 : 91,276.28 = 35,926.04 : x
  2. Step 2: Convert to fraction form
    66,141.06/91,276.28 = 35,926.04/x
  3. Step 3: Cross multiply
    66,141.06x = 91,276.28 × 35,926.04
  4. Step 4: Simplify right side
    66,141.06x = 3,279,195,286.33
  5. Step 5: Solve for x
    x = 3,279,195,286.33/66,141.06
  6. Step 6: Final answer
    x = 49,578.81

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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.