Finding the Fourth Proportional to 86,324.73, 129,608.25 and 44,235.06
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Solution
The fourth proportional to 86,324.73, 129,608.25 and 44,235.06 is: 66,414.66
Step by Step Solution
- Step 1: Write the proportion equation
86,324.73 : 129,608.25 = 44,235.06 : x - Step 2: Convert to fraction form
86,324.73/129,608.25 = 44,235.06/x - Step 3: Cross multiply
86,324.73x = 129,608.25 × 44,235.06 - Step 4: Simplify right side
86,324.73x = 5,733,227,846.03 - Step 5: Solve for x
x = 5,733,227,846.03/86,324.73 - Step 6: Final answer
x = 66,414.66
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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.