Home / 77,744.72-116,632.20-27,828.56

Finding the Fourth Proportional to 77,744.72, 116,632.20 and 27,828.56

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Solution

The fourth proportional to 77,744.72, 116,632.20 and 27,828.56 is: 41,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,744.72 : 116,632.20 = 27,828.56 : x
  2. Step 2: Convert to fraction form
    77,744.72/116,632.20 = 27,828.56/x
  3. Step 3: Cross multiply
    77,744.72x = 116,632.20 × 27,828.56
  4. Step 4: Simplify right side
    77,744.72x = 3,245,706,175.63
  5. Step 5: Solve for x
    x = 3,245,706,175.63/77,744.72
  6. Step 6: Final answer
    x = 41,748.25

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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.