Home / 87,283.86-130,991.00-33,984.24

Finding the Fourth Proportional to 87,283.86, 130,991.00 and 33,984.24

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Solution

The fourth proportional to 87,283.86, 130,991.00 and 33,984.24 is: 51,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,283.86 : 130,991.00 = 33,984.24 : x
  2. Step 2: Convert to fraction form
    87,283.86/130,991.00 = 33,984.24/x
  3. Step 3: Cross multiply
    87,283.86x = 130,991.00 × 33,984.24
  4. Step 4: Simplify right side
    87,283.86x = 4,451,629,411.92
  5. Step 5: Solve for x
    x = 4,451,629,411.92/87,283.86
  6. Step 6: Final answer
    x = 51,001.75

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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.