Home / 90,199.24-135,169.45-50,673.21

Finding the Fourth Proportional to 90,199.24, 135,169.45 and 50,673.21

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Solution

The fourth proportional to 90,199.24, 135,169.45 and 50,673.21 is: 75,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,199.24 : 135,169.45 = 50,673.21 : x
  2. Step 2: Convert to fraction form
    90,199.24/135,169.45 = 50,673.21/x
  3. Step 3: Cross multiply
    90,199.24x = 135,169.45 × 50,673.21
  4. Step 4: Simplify right side
    90,199.24x = 6,849,469,925.43
  5. Step 5: Solve for x
    x = 6,849,469,925.43/90,199.24
  6. Step 6: Final answer
    x = 75,937.11

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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.