Home / 62,190.21-85,836.35-39,524.79

Finding the Fourth Proportional to 62,190.21, 85,836.35 and 39,524.79

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Solution

The fourth proportional to 62,190.21, 85,836.35 and 39,524.79 is: 54,553.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,190.21 : 85,836.35 = 39,524.79 : x
  2. Step 2: Convert to fraction form
    62,190.21/85,836.35 = 39,524.79/x
  3. Step 3: Cross multiply
    62,190.21x = 85,836.35 × 39,524.79
  4. Step 4: Simplify right side
    62,190.21x = 3,392,663,708.12
  5. Step 5: Solve for x
    x = 3,392,663,708.12/62,190.21
  6. Step 6: Final answer
    x = 54,553.02

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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.