Home / 82,843.20-124,243.95-23,679.18

Finding the Fourth Proportional to 82,843.20, 124,243.95 and 23,679.18

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Solution

The fourth proportional to 82,843.20, 124,243.95 and 23,679.18 is: 35,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,843.20 : 124,243.95 = 23,679.18 : x
  2. Step 2: Convert to fraction form
    82,843.20/124,243.95 = 23,679.18/x
  3. Step 3: Cross multiply
    82,843.20x = 124,243.95 × 23,679.18
  4. Step 4: Simplify right side
    82,843.20x = 2,941,994,855.96
  5. Step 5: Solve for x
    x = 2,941,994,855.96/82,843.20
  6. Step 6: Final answer
    x = 35,512.81

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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.