Home / 87,020.22-130,466.46-27,821.82

Finding the Fourth Proportional to 87,020.22, 130,466.46 and 27,821.82

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Solution

The fourth proportional to 87,020.22, 130,466.46 and 27,821.82 is: 41,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,020.22 : 130,466.46 = 27,821.82 : x
  2. Step 2: Convert to fraction form
    87,020.22/130,466.46 = 27,821.82/x
  3. Step 3: Cross multiply
    87,020.22x = 130,466.46 × 27,821.82
  4. Step 4: Simplify right side
    87,020.22x = 3,629,814,366.16
  5. Step 5: Solve for x
    x = 3,629,814,366.16/87,020.22
  6. Step 6: Final answer
    x = 41,712.31

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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.