Home / 87,768.53-131,726.51-37,886.30

Finding the Fourth Proportional to 87,768.53, 131,726.51 and 37,886.30

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Solution

The fourth proportional to 87,768.53, 131,726.51 and 37,886.30 is: 56,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,768.53 : 131,726.51 = 37,886.30 : x
  2. Step 2: Convert to fraction form
    87,768.53/131,726.51 = 37,886.30/x
  3. Step 3: Cross multiply
    87,768.53x = 131,726.51 × 37,886.30
  4. Step 4: Simplify right side
    87,768.53x = 4,990,629,227.75
  5. Step 5: Solve for x
    x = 4,990,629,227.75/87,768.53
  6. Step 6: Final answer
    x = 56,861.26

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1.5x scale

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.