Home / 87,573.74-131,348.30-28,409.94

Finding the Fourth Proportional to 87,573.74, 131,348.30 and 28,409.94

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Solution

The fourth proportional to 87,573.74, 131,348.30 and 28,409.94 is: 42,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,573.74 : 131,348.30 = 28,409.94 : x
  2. Step 2: Convert to fraction form
    87,573.74/131,348.30 = 28,409.94/x
  3. Step 3: Cross multiply
    87,573.74x = 131,348.30 × 28,409.94
  4. Step 4: Simplify right side
    87,573.74x = 3,731,597,180.05
  5. Step 5: Solve for x
    x = 3,731,597,180.05/87,573.74
  6. Step 6: Final answer
    x = 42,610.92

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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.