Finding the Fourth Proportional to 84,242.88, 116,252.12 and 46,516.32
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Solution
The fourth proportional to 84,242.88, 116,252.12 and 46,516.32 is: 64,190.84
Step by Step Solution
- Step 1: Write the proportion equation
84,242.88 : 116,252.12 = 46,516.32 : x - Step 2: Convert to fraction form
84,242.88/116,252.12 = 46,516.32/x - Step 3: Cross multiply
84,242.88x = 116,252.12 × 46,516.32 - Step 4: Simplify right side
84,242.88x = 5,407,620,814.60 - Step 5: Solve for x
x = 5,407,620,814.60/84,242.88 - Step 6: Final answer
x = 64,190.84
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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.