Home / 55,481.24-76,558.61-31,606.49

Finding the Fourth Proportional to 55,481.24, 76,558.61 and 31,606.49

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Solution

The fourth proportional to 55,481.24, 76,558.61 and 31,606.49 is: 43,613.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.24 : 76,558.61 = 31,606.49 : x
  2. Step 2: Convert to fraction form
    55,481.24/76,558.61 = 31,606.49/x
  3. Step 3: Cross multiply
    55,481.24x = 76,558.61 × 31,606.49
  4. Step 4: Simplify right side
    55,481.24x = 2,419,748,400.55
  5. Step 5: Solve for x
    x = 2,419,748,400.55/55,481.24
  6. Step 6: Final answer
    x = 43,613.82

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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.