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Finding the Fourth Proportional to 82,882.67, 124,323.09 and 49,612.02

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Solution

The fourth proportional to 82,882.67, 124,323.09 and 49,612.02 is: 74,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.67 : 124,323.09 = 49,612.02 : x
  2. Step 2: Convert to fraction form
    82,882.67/124,323.09 = 49,612.02/x
  3. Step 3: Cross multiply
    82,882.67x = 124,323.09 × 49,612.02
  4. Step 4: Simplify right side
    82,882.67x = 6,167,919,627.54
  5. Step 5: Solve for x
    x = 6,167,919,627.54/82,882.67
  6. Step 6: Final answer
    x = 74,417.48

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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.