Home / 87,694.70-131,555.93-37,789.07

Finding the Fourth Proportional to 87,694.70, 131,555.93 and 37,789.07

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Solution

The fourth proportional to 87,694.70, 131,555.93 and 37,789.07 is: 56,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,694.70 : 131,555.93 = 37,789.07 : x
  2. Step 2: Convert to fraction form
    87,694.70/131,555.93 = 37,789.07/x
  3. Step 3: Cross multiply
    87,694.70x = 131,555.93 × 37,789.07
  4. Step 4: Simplify right side
    87,694.70x = 4,971,375,400.96
  5. Step 5: Solve for x
    x = 4,971,375,400.96/87,694.70
  6. Step 6: Final answer
    x = 56,689.58

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1.5x scale

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.