Home / 50,664.79-75,956.15-21,104.75

Finding the Fourth Proportional to 50,664.79, 75,956.15 and 21,104.75

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Solution

The fourth proportional to 50,664.79, 75,956.15 and 21,104.75 is: 31,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,664.79 : 75,956.15 = 21,104.75 : x
  2. Step 2: Convert to fraction form
    50,664.79/75,956.15 = 21,104.75/x
  3. Step 3: Cross multiply
    50,664.79x = 75,956.15 × 21,104.75
  4. Step 4: Simplify right side
    50,664.79x = 1,603,035,261.30
  5. Step 5: Solve for x
    x = 1,603,035,261.30/50,664.79
  6. Step 6: Final answer
    x = 31,640.03

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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.