Home / 87,512.36-131,305.26-37,603.40

Finding the Fourth Proportional to 87,512.36, 131,305.26 and 37,603.40

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Solution

The fourth proportional to 87,512.36, 131,305.26 and 37,603.40 is: 56,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,512.36 : 131,305.26 = 37,603.40 : x
  2. Step 2: Convert to fraction form
    87,512.36/131,305.26 = 37,603.40/x
  3. Step 3: Cross multiply
    87,512.36x = 131,305.26 × 37,603.40
  4. Step 4: Simplify right side
    87,512.36x = 4,937,524,213.88
  5. Step 5: Solve for x
    x = 4,937,524,213.88/87,512.36
  6. Step 6: Final answer
    x = 56,420.88

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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.