Home / 87,890.74-131,815.17-37,943.51

Finding the Fourth Proportional to 87,890.74, 131,815.17 and 37,943.51

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Solution

The fourth proportional to 87,890.74, 131,815.17 and 37,943.51 is: 56,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,890.74 : 131,815.17 = 37,943.51 : x
  2. Step 2: Convert to fraction form
    87,890.74/131,815.17 = 37,943.51/x
  3. Step 3: Cross multiply
    87,890.74x = 131,815.17 × 37,943.51
  4. Step 4: Simplify right side
    87,890.74x = 5,001,529,561.97
  5. Step 5: Solve for x
    x = 5,001,529,561.97/87,890.74
  6. Step 6: Final answer
    x = 56,906.22

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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.