Home / 87,515.80-131,201.70-37,634.20

Finding the Fourth Proportional to 87,515.80, 131,201.70 and 37,634.20

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Solution

The fourth proportional to 87,515.80, 131,201.70 and 37,634.20 is: 56,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,515.80 : 131,201.70 = 37,634.20 : x
  2. Step 2: Convert to fraction form
    87,515.80/131,201.70 = 37,634.20/x
  3. Step 3: Cross multiply
    87,515.80x = 131,201.70 × 37,634.20
  4. Step 4: Simplify right side
    87,515.80x = 4,937,671,018.14
  5. Step 5: Solve for x
    x = 4,937,671,018.14/87,515.80
  6. Step 6: Final answer
    x = 56,420.34

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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.