Home / 53,174.88-73,380.48-31,679.68

Finding the Fourth Proportional to 53,174.88, 73,380.48 and 31,679.68

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Solution

The fourth proportional to 53,174.88, 73,380.48 and 31,679.68 is: 43,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,174.88 : 73,380.48 = 31,679.68 : x
  2. Step 2: Convert to fraction form
    53,174.88/73,380.48 = 31,679.68/x
  3. Step 3: Cross multiply
    53,174.88x = 73,380.48 × 31,679.68
  4. Step 4: Simplify right side
    53,174.88x = 2,324,670,124.65
  5. Step 5: Solve for x
    x = 2,324,670,124.65/53,174.88
  6. Step 6: Final answer
    x = 43,717.45

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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.