Finding the Fourth Proportional to 84,239.87, 116,247.97 and 46,513.31
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Solution
The fourth proportional to 84,239.87, 116,247.97 and 46,513.31 is: 64,186.68
Step by Step Solution
- Step 1: Write the proportion equation
84,239.87 : 116,247.97 = 46,513.31 : x - Step 2: Convert to fraction form
84,239.87/116,247.97 = 46,513.31/x - Step 3: Cross multiply
84,239.87x = 116,247.97 × 46,513.31 - Step 4: Simplify right side
84,239.87x = 5,407,077,865.48 - Step 5: Solve for x
x = 5,407,077,865.48/84,239.87 - Step 6: Final answer
x = 64,186.68
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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.