Home / 87,742.92-131,628.15-37,837.20

Finding the Fourth Proportional to 87,742.92, 131,628.15 and 37,837.20

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Solution

The fourth proportional to 87,742.92, 131,628.15 and 37,837.20 is: 56,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,742.92 : 131,628.15 = 37,837.20 : x
  2. Step 2: Convert to fraction form
    87,742.92/131,628.15 = 37,837.20/x
  3. Step 3: Cross multiply
    87,742.92x = 131,628.15 × 37,837.20
  4. Step 4: Simplify right side
    87,742.92x = 4,980,440,447.99
  5. Step 5: Solve for x
    x = 4,980,440,447.99/87,742.92
  6. Step 6: Final answer
    x = 56,761.74

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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.