Home / 50,997.23-76,525.81-21,412.79

Finding the Fourth Proportional to 50,997.23, 76,525.81 and 21,412.79

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Solution

The fourth proportional to 50,997.23, 76,525.81 and 21,412.79 is: 32,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,997.23 : 76,525.81 = 21,412.79 : x
  2. Step 2: Convert to fraction form
    50,997.23/76,525.81 = 21,412.79/x
  3. Step 3: Cross multiply
    50,997.23x = 76,525.81 × 21,412.79
  4. Step 4: Simplify right side
    50,997.23x = 1,638,631,099.11
  5. Step 5: Solve for x
    x = 1,638,631,099.11/50,997.23
  6. Step 6: Final answer
    x = 32,131.77

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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.