Home / 87,671.77-131,601.26-37,776.49

Finding the Fourth Proportional to 87,671.77, 131,601.26 and 37,776.49

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Solution

The fourth proportional to 87,671.77, 131,601.26 and 37,776.49 is: 56,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,671.77 : 131,601.26 = 37,776.49 : x
  2. Step 2: Convert to fraction form
    87,671.77/131,601.26 = 37,776.49/x
  3. Step 3: Cross multiply
    87,671.77x = 131,601.26 × 37,776.49
  4. Step 4: Simplify right side
    87,671.77x = 4,971,433,493.49
  5. Step 5: Solve for x
    x = 4,971,433,493.49/87,671.77
  6. Step 6: Final answer
    x = 56,705.07

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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.