Finding the Fourth Proportional to 84,879.77, 117,136.18 and 46,639.02
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Solution
The fourth proportional to 84,879.77, 117,136.18 and 46,639.02 is: 64,362.99
Step by Step Solution
- Step 1: Write the proportion equation
84,879.77 : 117,136.18 = 46,639.02 : x - Step 2: Convert to fraction form
84,879.77/117,136.18 = 46,639.02/x - Step 3: Cross multiply
84,879.77x = 117,136.18 × 46,639.02 - Step 4: Simplify right side
84,879.77x = 5,463,115,888.62 - Step 5: Solve for x
x = 5,463,115,888.62/84,879.77 - Step 6: Final answer
x = 64,362.99
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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.