Home / 87,607.80-131,339.70-37,726.20

Finding the Fourth Proportional to 87,607.80, 131,339.70 and 37,726.20

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Solution

The fourth proportional to 87,607.80, 131,339.70 and 37,726.20 is: 56,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,607.80 : 131,339.70 = 37,726.20 : x
  2. Step 2: Convert to fraction form
    87,607.80/131,339.70 = 37,726.20/x
  3. Step 3: Cross multiply
    87,607.80x = 131,339.70 × 37,726.20
  4. Step 4: Simplify right side
    87,607.80x = 4,954,947,790.14
  5. Step 5: Solve for x
    x = 4,954,947,790.14/87,607.80
  6. Step 6: Final answer
    x = 56,558.29

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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.