Home / 66,087.56-91,198.35-35,872.23

Finding the Fourth Proportional to 66,087.56, 91,198.35 and 35,872.23

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Solution

The fourth proportional to 66,087.56, 91,198.35 and 35,872.23 is: 49,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087.56 : 91,198.35 = 35,872.23 : x
  2. Step 2: Convert to fraction form
    66,087.56/91,198.35 = 35,872.23/x
  3. Step 3: Cross multiply
    66,087.56x = 91,198.35 × 35,872.23
  4. Step 4: Simplify right side
    66,087.56x = 3,271,488,186.82
  5. Step 5: Solve for x
    x = 3,271,488,186.82/66,087.56
  6. Step 6: Final answer
    x = 49,502.33

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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.