Home / 77,620.12-116,361.06-36,044.44

Finding the Fourth Proportional to 77,620.12, 116,361.06 and 36,044.44

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Solution

The fourth proportional to 77,620.12, 116,361.06 and 36,044.44 is: 54,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,620.12 : 116,361.06 = 36,044.44 : x
  2. Step 2: Convert to fraction form
    77,620.12/116,361.06 = 36,044.44/x
  3. Step 3: Cross multiply
    77,620.12x = 116,361.06 × 36,044.44
  4. Step 4: Simplify right side
    77,620.12x = 4,194,169,245.51
  5. Step 5: Solve for x
    x = 4,194,169,245.51/77,620.12
  6. Step 6: Final answer
    x = 54,034.56

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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.