Home / 75,620.22-104,361.93-43,789.68

Finding the Fourth Proportional to 75,620.22, 104,361.93 and 43,789.68

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Solution

The fourth proportional to 75,620.22, 104,361.93 and 43,789.68 is: 60,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,620.22 : 104,361.93 = 43,789.68 : x
  2. Step 2: Convert to fraction form
    75,620.22/104,361.93 = 43,789.68/x
  3. Step 3: Cross multiply
    75,620.22x = 104,361.93 × 43,789.68
  4. Step 4: Simplify right side
    75,620.22x = 4,569,975,518.88
  5. Step 5: Solve for x
    x = 4,569,975,518.88/75,620.22
  6. Step 6: Final answer
    x = 60,433.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.