Home / 82,936.54-124,222.46-68,541.88

Finding the Fourth Proportional to 82,936.54, 124,222.46 and 68,541.88

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Solution

The fourth proportional to 82,936.54, 124,222.46 and 68,541.88 is: 102,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,936.54 : 124,222.46 = 68,541.88 : x
  2. Step 2: Convert to fraction form
    82,936.54/124,222.46 = 68,541.88/x
  3. Step 3: Cross multiply
    82,936.54x = 124,222.46 × 68,541.88
  4. Step 4: Simplify right side
    82,936.54x = 8,514,440,946.62
  5. Step 5: Solve for x
    x = 8,514,440,946.62/82,936.54
  6. Step 6: Final answer
    x = 102,662.12

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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.