Home / 66,098.21-91,215.69-35,883.56

Finding the Fourth Proportional to 66,098.21, 91,215.69 and 35,883.56

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Solution

The fourth proportional to 66,098.21, 91,215.69 and 35,883.56 is: 49,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.21 : 91,215.69 = 35,883.56 : x
  2. Step 2: Convert to fraction form
    66,098.21/91,215.69 = 35,883.56/x
  3. Step 3: Cross multiply
    66,098.21x = 91,215.69 × 35,883.56
  4. Step 4: Simplify right side
    66,098.21x = 3,273,143,685.06
  5. Step 5: Solve for x
    x = 3,273,143,685.06/66,098.21
  6. Step 6: Final answer
    x = 49,519.40

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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.