Home / 66,106.42-91,226.57-35,891.49

Finding the Fourth Proportional to 66,106.42, 91,226.57 and 35,891.49

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Solution

The fourth proportional to 66,106.42, 91,226.57 and 35,891.49 is: 49,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,106.42 : 91,226.57 = 35,891.49 : x
  2. Step 2: Convert to fraction form
    66,106.42/91,226.57 = 35,891.49/x
  3. Step 3: Cross multiply
    66,106.42x = 91,226.57 × 35,891.49
  4. Step 4: Simplify right side
    66,106.42x = 3,274,257,687.53
  5. Step 5: Solve for x
    x = 3,274,257,687.53/66,106.42
  6. Step 6: Final answer
    x = 49,530.10

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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.