Home / 52,668.14-79,010.58-21,078.14

Finding the Fourth Proportional to 52,668.14, 79,010.58 and 21,078.14

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Solution

The fourth proportional to 52,668.14, 79,010.58 and 21,078.14 is: 31,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,668.14 : 79,010.58 = 21,078.14 : x
  2. Step 2: Convert to fraction form
    52,668.14/79,010.58 = 21,078.14/x
  3. Step 3: Cross multiply
    52,668.14x = 79,010.58 × 21,078.14
  4. Step 4: Simplify right side
    52,668.14x = 1,665,396,066.72
  5. Step 5: Solve for x
    x = 1,665,396,066.72/52,668.14
  6. Step 6: Final answer
    x = 31,620.56

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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.