Finding the Fourth Proportional to 84,163.83, 116,146.49 and 46,438.08
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Solution
The fourth proportional to 84,163.83, 116,146.49 and 46,438.08 is: 64,084.77
Step by Step Solution
- Step 1: Write the proportion equation
84,163.83 : 116,146.49 = 46,438.08 : x - Step 2: Convert to fraction form
84,163.83/116,146.49 = 46,438.08/x - Step 3: Cross multiply
84,163.83x = 116,146.49 × 46,438.08 - Step 4: Simplify right side
84,163.83x = 5,393,619,762.15 - Step 5: Solve for x
x = 5,393,619,762.15/84,163.83 - Step 6: Final answer
x = 64,084.77
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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.