Finding the Fourth Proportional to 79,481.70, 119,198.77 and 26,163.83
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Solution
The fourth proportional to 79,481.70, 119,198.77 and 26,163.83 is: 39,237.92
Step by Step Solution
- Step 1: Write the proportion equation
79,481.70 : 119,198.77 = 26,163.83 : x - Step 2: Convert to fraction form
79,481.70/119,198.77 = 26,163.83/x - Step 3: Cross multiply
79,481.70x = 119,198.77 × 26,163.83 - Step 4: Simplify right side
79,481.70x = 3,118,696,587.08 - Step 5: Solve for x
x = 3,118,696,587.08/79,481.70 - Step 6: Final answer
x = 39,237.92
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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.