Home / 90,107.49-135,180.58-26,932.56

Finding the Fourth Proportional to 90,107.49, 135,180.58 and 26,932.56

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Solution

The fourth proportional to 90,107.49, 135,180.58 and 26,932.56 is: 40,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,107.49 : 135,180.58 = 26,932.56 : x
  2. Step 2: Convert to fraction form
    90,107.49/135,180.58 = 26,932.56/x
  3. Step 3: Cross multiply
    90,107.49x = 135,180.58 × 26,932.56
  4. Step 4: Simplify right side
    90,107.49x = 3,640,759,081.68
  5. Step 5: Solve for x
    x = 3,640,759,081.68/90,107.49
  6. Step 6: Final answer
    x = 40,404.62

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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.