Home / 87,895.48-131,843.46-21,335.32

Finding the Fourth Proportional to 87,895.48, 131,843.46 and 21,335.32

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Solution

The fourth proportional to 87,895.48, 131,843.46 and 21,335.32 is: 32,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,895.48 : 131,843.46 = 21,335.32 : x
  2. Step 2: Convert to fraction form
    87,895.48/131,843.46 = 21,335.32/x
  3. Step 3: Cross multiply
    87,895.48x = 131,843.46 × 21,335.32
  4. Step 4: Simplify right side
    87,895.48x = 2,812,922,409.01
  5. Step 5: Solve for x
    x = 2,812,922,409.01/87,895.48
  6. Step 6: Final answer
    x = 32,003.04

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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.