Home / 90,439.60-135,550.62-33,468.04

Finding the Fourth Proportional to 90,439.60, 135,550.62 and 33,468.04

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Solution

The fourth proportional to 90,439.60, 135,550.62 and 33,468.04 is: 50,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,439.60 : 135,550.62 = 33,468.04 : x
  2. Step 2: Convert to fraction form
    90,439.60/135,550.62 = 33,468.04/x
  3. Step 3: Cross multiply
    90,439.60x = 135,550.62 × 33,468.04
  4. Step 4: Simplify right side
    90,439.60x = 4,536,613,572.18
  5. Step 5: Solve for x
    x = 4,536,613,572.18/90,439.60
  6. Step 6: Final answer
    x = 50,161.80

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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.