Home / 87,821.19-131,731.88-41,106.87

Finding the Fourth Proportional to 87,821.19, 131,731.88 and 41,106.87

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Solution

The fourth proportional to 87,821.19, 131,731.88 and 41,106.87 is: 61,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,821.19 : 131,731.88 = 41,106.87 : x
  2. Step 2: Convert to fraction form
    87,821.19/131,731.88 = 41,106.87/x
  3. Step 3: Cross multiply
    87,821.19x = 131,731.88 × 41,106.87
  4. Step 4: Simplify right side
    87,821.19x = 5,415,085,060.48
  5. Step 5: Solve for x
    x = 5,415,085,060.48/87,821.19
  6. Step 6: Final answer
    x = 61,660.35

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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.