Finding the Fourth Proportional to 84,163.73, 116,149.75 and 48,364.97
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Solution
The fourth proportional to 84,163.73, 116,149.75 and 48,364.97 is: 66,745.84
Step by Step Solution
- Step 1: Write the proportion equation
84,163.73 : 116,149.75 = 48,364.97 : x - Step 2: Convert to fraction form
84,163.73/116,149.75 = 48,364.97/x - Step 3: Cross multiply
84,163.73x = 116,149.75 × 48,364.97 - Step 4: Simplify right side
84,163.73x = 5,617,578,472.60 - Step 5: Solve for x
x = 5,617,578,472.60/84,163.73 - Step 6: Final answer
x = 66,745.84
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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.