Home / 87,664.20-131,496.30-35,111.40

Finding the Fourth Proportional to 87,664.20, 131,496.30 and 35,111.40

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Solution

The fourth proportional to 87,664.20, 131,496.30 and 35,111.40 is: 52,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664.20 : 131,496.30 = 35,111.40 : x
  2. Step 2: Convert to fraction form
    87,664.20/131,496.30 = 35,111.40/x
  3. Step 3: Cross multiply
    87,664.20x = 131,496.30 × 35,111.40
  4. Step 4: Simplify right side
    87,664.20x = 4,617,019,187.82
  5. Step 5: Solve for x
    x = 4,617,019,187.82/87,664.20
  6. Step 6: Final answer
    x = 52,667.10

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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.