Home / 90,236.93-135,488.46-50,333.88

Finding the Fourth Proportional to 90,236.93, 135,488.46 and 50,333.88

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Solution

The fourth proportional to 90,236.93, 135,488.46 and 50,333.88 is: 75,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,236.93 : 135,488.46 = 50,333.88 : x
  2. Step 2: Convert to fraction form
    90,236.93/135,488.46 = 50,333.88/x
  3. Step 3: Cross multiply
    90,236.93x = 135,488.46 × 50,333.88
  4. Step 4: Simplify right side
    90,236.93x = 6,819,659,990.45
  5. Step 5: Solve for x
    x = 6,819,659,990.45/90,236.93
  6. Step 6: Final answer
    x = 75,575.04

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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.