Home / 55,958.79-83,871.42-38,999.97

Finding the Fourth Proportional to 55,958.79, 83,871.42 and 38,999.97

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Solution

The fourth proportional to 55,958.79, 83,871.42 and 38,999.97 is: 58,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,958.79 : 83,871.42 = 38,999.97 : x
  2. Step 2: Convert to fraction form
    55,958.79/83,871.42 = 38,999.97/x
  3. Step 3: Cross multiply
    55,958.79x = 83,871.42 × 38,999.97
  4. Step 4: Simplify right side
    55,958.79x = 3,270,982,863.86
  5. Step 5: Solve for x
    x = 3,270,982,863.86/55,958.79
  6. Step 6: Final answer
    x = 58,453.42

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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.