Home / 87,754.72-131,359.08-47,673.48

Finding the Fourth Proportional to 87,754.72, 131,359.08 and 47,673.48

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Solution

The fourth proportional to 87,754.72, 131,359.08 and 47,673.48 is: 71,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,754.72 : 131,359.08 = 47,673.48 : x
  2. Step 2: Convert to fraction form
    87,754.72/131,359.08 = 47,673.48/x
  3. Step 3: Cross multiply
    87,754.72x = 131,359.08 × 47,673.48
  4. Step 4: Simplify right side
    87,754.72x = 6,262,344,473.20
  5. Step 5: Solve for x
    x = 6,262,344,473.20/87,754.72
  6. Step 6: Final answer
    x = 71,361.91

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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.