Home / 87,639.98-131,472.92-35,048.30

Finding the Fourth Proportional to 87,639.98, 131,472.92 and 35,048.30

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Solution

The fourth proportional to 87,639.98, 131,472.92 and 35,048.30 is: 52,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,639.98 : 131,472.92 = 35,048.30 : x
  2. Step 2: Convert to fraction form
    87,639.98/131,472.92 = 35,048.30/x
  3. Step 3: Cross multiply
    87,639.98x = 131,472.92 × 35,048.30
  4. Step 4: Simplify right side
    87,639.98x = 4,607,901,772.29
  5. Step 5: Solve for x
    x = 4,607,901,772.29/87,639.98
  6. Step 6: Final answer
    x = 52,577.63

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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.