Home / 135,783.45-203,685.12-35,942.94

Finding the Fourth Proportional to 135,783.45, 203,685.12 and 35,942.94

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Solution

The fourth proportional to 135,783.45, 203,685.12 and 35,942.94 is: 53,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,783.45 : 203,685.12 = 35,942.94 : x
  2. Step 2: Convert to fraction form
    135,783.45/203,685.12 = 35,942.94/x
  3. Step 3: Cross multiply
    135,783.45x = 203,685.12 × 35,942.94
  4. Step 4: Simplify right side
    135,783.45x = 7,321,042,047.05
  5. Step 5: Solve for x
    x = 7,321,042,047.05/135,783.45
  6. Step 6: Final answer
    x = 53,917.04

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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.