Finding the Fourth Proportional to 84,343.36, 116,391.81 and 46,101.19
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Solution
The fourth proportional to 84,343.36, 116,391.81 and 46,101.19 is: 63,618.53
Step by Step Solution
- Step 1: Write the proportion equation
84,343.36 : 116,391.81 = 46,101.19 : x - Step 2: Convert to fraction form
84,343.36/116,391.81 = 46,101.19/x - Step 3: Cross multiply
84,343.36x = 116,391.81 × 46,101.19 - Step 4: Simplify right side
84,343.36x = 5,365,800,947.25 - Step 5: Solve for x
x = 5,365,800,947.25/84,343.36 - Step 6: Final answer
x = 63,618.53
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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.