Home / 87,757.21-131,424.81-50,203.59

Finding the Fourth Proportional to 87,757.21, 131,424.81 and 50,203.59

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Solution

The fourth proportional to 87,757.21, 131,424.81 and 50,203.59 is: 75,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,757.21 : 131,424.81 = 50,203.59 : x
  2. Step 2: Convert to fraction form
    87,757.21/131,424.81 = 50,203.59/x
  3. Step 3: Cross multiply
    87,757.21x = 131,424.81 × 50,203.59
  4. Step 4: Simplify right side
    87,757.21x = 6,597,997,277.07
  5. Step 5: Solve for x
    x = 6,597,997,277.07/87,757.21
  6. Step 6: Final answer
    x = 75,184.67

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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.