Home / 87,940.02-131,856.54-34,568.04

Finding the Fourth Proportional to 87,940.02, 131,856.54 and 34,568.04

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Solution

The fourth proportional to 87,940.02, 131,856.54 and 34,568.04 is: 51,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940.02 : 131,856.54 = 34,568.04 : x
  2. Step 2: Convert to fraction form
    87,940.02/131,856.54 = 34,568.04/x
  3. Step 3: Cross multiply
    87,940.02x = 131,856.54 × 34,568.04
  4. Step 4: Simplify right side
    87,940.02x = 4,558,022,148.98
  5. Step 5: Solve for x
    x = 4,558,022,148.98/87,940.02
  6. Step 6: Final answer
    x = 51,831.03

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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.