Home / 90,200.04-135,284.22-27,871.08

Finding the Fourth Proportional to 90,200.04, 135,284.22 and 27,871.08

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Solution

The fourth proportional to 90,200.04, 135,284.22 and 27,871.08 is: 41,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,200.04 : 135,284.22 = 27,871.08 : x
  2. Step 2: Convert to fraction form
    90,200.04/135,284.22 = 27,871.08/x
  3. Step 3: Cross multiply
    90,200.04x = 135,284.22 × 27,871.08
  4. Step 4: Simplify right side
    90,200.04x = 3,770,517,318.36
  5. Step 5: Solve for x
    x = 3,770,517,318.36/90,200.04
  6. Step 6: Final answer
    x = 41,801.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.