Home / 57,225.35-78,971.94-31,732.79

Finding the Fourth Proportional to 57,225.35, 78,971.94 and 31,732.79

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Solution

The fourth proportional to 57,225.35, 78,971.94 and 31,732.79 is: 43,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,225.35 : 78,971.94 = 31,732.79 : x
  2. Step 2: Convert to fraction form
    57,225.35/78,971.94 = 31,732.79/x
  3. Step 3: Cross multiply
    57,225.35x = 78,971.94 × 31,732.79
  4. Step 4: Simplify right side
    57,225.35x = 2,505,999,593.05
  5. Step 5: Solve for x
    x = 2,505,999,593.05/57,225.35
  6. Step 6: Final answer
    x = 43,791.77

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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.