Home / 135,882.45-203,823.50-47,135.97

Finding the Fourth Proportional to 135,882.45, 203,823.50 and 47,135.97

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Solution

The fourth proportional to 135,882.45, 203,823.50 and 47,135.97 is: 70,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,882.45 : 203,823.50 = 47,135.97 : x
  2. Step 2: Convert to fraction form
    135,882.45/203,823.50 = 47,135.97/x
  3. Step 3: Cross multiply
    135,882.45x = 203,823.50 × 47,135.97
  4. Step 4: Simplify right side
    135,882.45x = 9,607,418,145.62
  5. Step 5: Solve for x
    x = 9,607,418,145.62/135,882.45
  6. Step 6: Final answer
    x = 70,703.89

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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.