Home / 135,725.93-203,544.30-45,744.50

Finding the Fourth Proportional to 135,725.93, 203,544.30 and 45,744.50

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Solution

The fourth proportional to 135,725.93, 203,544.30 and 45,744.50 is: 68,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,725.93 : 203,544.30 = 45,744.50 : x
  2. Step 2: Convert to fraction form
    135,725.93/203,544.30 = 45,744.50/x
  3. Step 3: Cross multiply
    135,725.93x = 203,544.30 × 45,744.50
  4. Step 4: Simplify right side
    135,725.93x = 9,311,031,213.63
  5. Step 5: Solve for x
    x = 9,311,031,213.63/135,725.93
  6. Step 6: Final answer
    x = 68,601.71

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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.