Home / 54,743.16-82,078.27-19,678.26

Finding the Fourth Proportional to 54,743.16, 82,078.27 and 19,678.26

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Solution

The fourth proportional to 54,743.16, 82,078.27 and 19,678.26 is: 29,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.16 : 82,078.27 = 19,678.26 : x
  2. Step 2: Convert to fraction form
    54,743.16/82,078.27 = 19,678.26/x
  3. Step 3: Cross multiply
    54,743.16x = 82,078.27 × 19,678.26
  4. Step 4: Simplify right side
    54,743.16x = 1,615,157,028.63
  5. Step 5: Solve for x
    x = 1,615,157,028.63/54,743.16
  6. Step 6: Final answer
    x = 29,504.27

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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.