Home / 90,909.08-136,371.52-27,743.44

Finding the Fourth Proportional to 90,909.08, 136,371.52 and 27,743.44

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Solution

The fourth proportional to 90,909.08, 136,371.52 and 27,743.44 is: 41,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,909.08 : 136,371.52 = 27,743.44 : x
  2. Step 2: Convert to fraction form
    90,909.08/136,371.52 = 27,743.44/x
  3. Step 3: Cross multiply
    90,909.08x = 136,371.52 × 27,743.44
  4. Step 4: Simplify right side
    90,909.08x = 3,783,414,726.76
  5. Step 5: Solve for x
    x = 3,783,414,726.76/90,909.08
  6. Step 6: Final answer
    x = 41,617.56

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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.