Home / 82,788.30-124,112.79-36,005.94

Finding the Fourth Proportional to 82,788.30, 124,112.79 and 36,005.94

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Solution

The fourth proportional to 82,788.30, 124,112.79 and 36,005.94 is: 53,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,788.30 : 124,112.79 = 36,005.94 : x
  2. Step 2: Convert to fraction form
    82,788.30/124,112.79 = 36,005.94/x
  3. Step 3: Cross multiply
    82,788.30x = 124,112.79 × 36,005.94
  4. Step 4: Simplify right side
    82,788.30x = 4,468,797,669.97
  5. Step 5: Solve for x
    x = 4,468,797,669.97/82,788.30
  6. Step 6: Final answer
    x = 53,978.61

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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.