Finding the Fourth Proportional to 84,721.36, 116,916.38 and 46,480.99
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Solution
The fourth proportional to 84,721.36, 116,916.38 and 46,480.99 is: 64,144.26
Step by Step Solution
- Step 1: Write the proportion equation
84,721.36 : 116,916.38 = 46,480.99 : x - Step 2: Convert to fraction form
84,721.36/116,916.38 = 46,480.99/x - Step 3: Cross multiply
84,721.36x = 116,916.38 × 46,480.99 - Step 4: Simplify right side
84,721.36x = 5,434,389,089.62 - Step 5: Solve for x
x = 5,434,389,089.62/84,721.36 - Step 6: Final answer
x = 64,144.26
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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.