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Finding the Fourth Proportional to 82,212.45, 113,453.48 and 44,486.70

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Solution

The fourth proportional to 82,212.45, 113,453.48 and 44,486.70 is: 61,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,212.45 : 113,453.48 = 44,486.70 : x
  2. Step 2: Convert to fraction form
    82,212.45/113,453.48 = 44,486.70/x
  3. Step 3: Cross multiply
    82,212.45x = 113,453.48 × 44,486.70
  4. Step 4: Simplify right side
    82,212.45x = 5,047,170,928.72
  5. Step 5: Solve for x
    x = 5,047,170,928.72/82,212.45
  6. Step 6: Final answer
    x = 61,391.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.