Home / 87,649.35-120,956.06-47,363.10

Finding the Fourth Proportional to 87,649.35, 120,956.06 and 47,363.10

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Solution

The fourth proportional to 87,649.35, 120,956.06 and 47,363.10 is: 65,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,649.35 : 120,956.06 = 47,363.10 : x
  2. Step 2: Convert to fraction form
    87,649.35/120,956.06 = 47,363.10/x
  3. Step 3: Cross multiply
    87,649.35x = 120,956.06 × 47,363.10
  4. Step 4: Simplify right side
    87,649.35x = 5,728,853,965.39
  5. Step 5: Solve for x
    x = 5,728,853,965.39/87,649.35
  6. Step 6: Final answer
    x = 65,361.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.