Home / 87,761.27-131,641.81-35,207.66

Finding the Fourth Proportional to 87,761.27, 131,641.81 and 35,207.66

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Solution

The fourth proportional to 87,761.27, 131,641.81 and 35,207.66 is: 52,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,761.27 : 131,641.81 = 35,207.66 : x
  2. Step 2: Convert to fraction form
    87,761.27/131,641.81 = 35,207.66/x
  3. Step 3: Cross multiply
    87,761.27x = 131,641.81 × 35,207.66
  4. Step 4: Simplify right side
    87,761.27x = 4,634,800,329.35
  5. Step 5: Solve for x
    x = 4,634,800,329.35/87,761.27
  6. Step 6: Final answer
    x = 52,811.45

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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.