Home / 87,668.76-131,408.82-37,772.36

Finding the Fourth Proportional to 87,668.76, 131,408.82 and 37,772.36

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Solution

The fourth proportional to 87,668.76, 131,408.82 and 37,772.36 is: 56,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,668.76 : 131,408.82 = 37,772.36 : x
  2. Step 2: Convert to fraction form
    87,668.76/131,408.82 = 37,772.36/x
  3. Step 3: Cross multiply
    87,668.76x = 131,408.82 × 37,772.36
  4. Step 4: Simplify right side
    87,668.76x = 4,963,621,256.22
  5. Step 5: Solve for x
    x = 4,963,621,256.22/87,668.76
  6. Step 6: Final answer
    x = 56,617.90

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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.