Home / 90,772.38-136,165.73-27,597.92

Finding the Fourth Proportional to 90,772.38, 136,165.73 and 27,597.92

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Solution

The fourth proportional to 90,772.38, 136,165.73 and 27,597.92 is: 41,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,772.38 : 136,165.73 = 27,597.92 : x
  2. Step 2: Convert to fraction form
    90,772.38/136,165.73 = 27,597.92/x
  3. Step 3: Cross multiply
    90,772.38x = 136,165.73 × 27,597.92
  4. Step 4: Simplify right side
    90,772.38x = 3,757,890,104.46
  5. Step 5: Solve for x
    x = 3,757,890,104.46/90,772.38
  6. Step 6: Final answer
    x = 41,399.05

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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.