Finding the Fourth Proportional to 68,231.75, 102,299.19 and 26,076.31
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Solution
The fourth proportional to 68,231.75, 102,299.19 and 26,076.31 is: 39,095.95
Step by Step Solution
- Step 1: Write the proportion equation
68,231.75 : 102,299.19 = 26,076.31 : x - Step 2: Convert to fraction form
68,231.75/102,299.19 = 26,076.31/x - Step 3: Cross multiply
68,231.75x = 102,299.19 × 26,076.31 - Step 4: Simplify right side
68,231.75x = 2,667,585,135.44 - Step 5: Solve for x
x = 2,667,585,135.44/68,231.75 - Step 6: Final answer
x = 39,095.95
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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.