Home / 90,176.25-135,286.65-27,846.75

Finding the Fourth Proportional to 90,176.25, 135,286.65 and 27,846.75

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Solution

The fourth proportional to 90,176.25, 135,286.65 and 27,846.75 is: 41,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,176.25 : 135,286.65 = 27,846.75 : x
  2. Step 2: Convert to fraction form
    90,176.25/135,286.65 = 27,846.75/x
  3. Step 3: Cross multiply
    90,176.25x = 135,286.65 × 27,846.75
  4. Step 4: Simplify right side
    90,176.25x = 3,767,293,520.89
  5. Step 5: Solve for x
    x = 3,767,293,520.89/90,176.25
  6. Step 6: Final answer
    x = 41,777.00

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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.