Home / 54,668.48-81,951.36-49,799.04

Finding the Fourth Proportional to 54,668.48, 81,951.36 and 49,799.04

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Solution

The fourth proportional to 54,668.48, 81,951.36 and 49,799.04 is: 74,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,668.48 : 81,951.36 = 49,799.04 : x
  2. Step 2: Convert to fraction form
    54,668.48/81,951.36 = 49,799.04/x
  3. Step 3: Cross multiply
    54,668.48x = 81,951.36 × 49,799.04
  4. Step 4: Simplify right side
    54,668.48x = 4,081,099,054.69
  5. Step 5: Solve for x
    x = 4,081,099,054.69/54,668.48
  6. Step 6: Final answer
    x = 74,651.77

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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.