Home / 90,255.26-135,404.49-27,925.76

Finding the Fourth Proportional to 90,255.26, 135,404.49 and 27,925.76

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Solution

The fourth proportional to 90,255.26, 135,404.49 and 27,925.76 is: 41,895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,255.26 : 135,404.49 = 27,925.76 : x
  2. Step 2: Convert to fraction form
    90,255.26/135,404.49 = 27,925.76/x
  3. Step 3: Cross multiply
    90,255.26x = 135,404.49 × 27,925.76
  4. Step 4: Simplify right side
    90,255.26x = 3,781,273,290.66
  5. Step 5: Solve for x
    x = 3,781,273,290.66/90,255.26
  6. Step 6: Final answer
    x = 41,895.32

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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.