Finding the Fourth Proportional to 84,623.16, 116,788.14 and 46,906.68
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Solution
The fourth proportional to 84,623.16, 116,788.14 and 46,906.68 is: 64,735.75
Step by Step Solution
- Step 1: Write the proportion equation
84,623.16 : 116,788.14 = 46,906.68 : x - Step 2: Convert to fraction form
84,623.16/116,788.14 = 46,906.68/x - Step 3: Cross multiply
84,623.16x = 116,788.14 × 46,906.68 - Step 4: Simplify right side
84,623.16x = 5,478,143,910.78 - Step 5: Solve for x
x = 5,478,143,910.78/84,623.16 - Step 6: Final answer
x = 64,735.75
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1.5x scale
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.