Home / 90,812.65-136,224.10-27,634.83

Finding the Fourth Proportional to 90,812.65, 136,224.10 and 27,634.83

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Solution

The fourth proportional to 90,812.65, 136,224.10 and 27,634.83 is: 41,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,812.65 : 136,224.10 = 27,634.83 : x
  2. Step 2: Convert to fraction form
    90,812.65/136,224.10 = 27,634.83/x
  3. Step 3: Cross multiply
    90,812.65x = 136,224.10 × 27,634.83
  4. Step 4: Simplify right side
    90,812.65x = 3,764,530,263.08
  5. Step 5: Solve for x
    x = 3,764,530,263.08/90,812.65
  6. Step 6: Final answer
    x = 41,453.81

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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.