Home / 87,022.44-130,577.02-34,469.80

Finding the Fourth Proportional to 87,022.44, 130,577.02 and 34,469.80

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Solution

The fourth proportional to 87,022.44, 130,577.02 and 34,469.80 is: 51,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022.44 : 130,577.02 = 34,469.80 : x
  2. Step 2: Convert to fraction form
    87,022.44/130,577.02 = 34,469.80/x
  3. Step 3: Cross multiply
    87,022.44x = 130,577.02 × 34,469.80
  4. Step 4: Simplify right side
    87,022.44x = 4,500,963,764.00
  5. Step 5: Solve for x
    x = 4,500,963,764.00/87,022.44
  6. Step 6: Final answer
    x = 51,721.88

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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.