Home / 51,176.72-76,788.12-27,768.08

Finding the Fourth Proportional to 51,176.72, 76,788.12 and 27,768.08

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Solution

The fourth proportional to 51,176.72, 76,788.12 and 27,768.08 is: 41,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.72 : 76,788.12 = 27,768.08 : x
  2. Step 2: Convert to fraction form
    51,176.72/76,788.12 = 27,768.08/x
  3. Step 3: Cross multiply
    51,176.72x = 76,788.12 × 27,768.08
  4. Step 4: Simplify right side
    51,176.72x = 2,132,258,659.21
  5. Step 5: Solve for x
    x = 2,132,258,659.21/51,176.72
  6. Step 6: Final answer
    x = 41,664.62

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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.