Home / 90,845.38-125,366.62-50,568.65

Finding the Fourth Proportional to 90,845.38, 125,366.62 and 50,568.65

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Solution

The fourth proportional to 90,845.38, 125,366.62 and 50,568.65 is: 69,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.38 : 125,366.62 = 50,568.65 : x
  2. Step 2: Convert to fraction form
    90,845.38/125,366.62 = 50,568.65/x
  3. Step 3: Cross multiply
    90,845.38x = 125,366.62 × 50,568.65
  4. Step 4: Simplify right side
    90,845.38x = 6,339,621,069.04
  5. Step 5: Solve for x
    x = 6,339,621,069.04/90,845.38
  6. Step 6: Final answer
    x = 69,784.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.