Finding the Fourth Proportional to 84,717.36, 116,906.76 and 46,990.80
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Solution
The fourth proportional to 84,717.36, 116,906.76 and 46,990.80 is: 64,845.53
Step by Step Solution
- Step 1: Write the proportion equation
84,717.36 : 116,906.76 = 46,990.80 : x - Step 2: Convert to fraction form
84,717.36/116,906.76 = 46,990.80/x - Step 3: Cross multiply
84,717.36x = 116,906.76 × 46,990.80 - Step 4: Simplify right side
84,717.36x = 5,493,542,177.81 - Step 5: Solve for x
x = 5,493,542,177.81/84,717.36 - Step 6: Final answer
x = 64,845.53
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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.