Home / 82,722.20-124,083.30-73,536.80

Finding the Fourth Proportional to 82,722.20, 124,083.30 and 73,536.80

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Solution

The fourth proportional to 82,722.20, 124,083.30 and 73,536.80 is: 110,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,722.20 : 124,083.30 = 73,536.80 : x
  2. Step 2: Convert to fraction form
    82,722.20/124,083.30 = 73,536.80/x
  3. Step 3: Cross multiply
    82,722.20x = 124,083.30 × 73,536.80
  4. Step 4: Simplify right side
    82,722.20x = 9,124,688,815.44
  5. Step 5: Solve for x
    x = 9,124,688,815.44/82,722.20
  6. Step 6: Final answer
    x = 110,305.20

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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.