Finding the Fourth Proportional to 86,195.10, 129,015.63 and 46,114.08
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Solution
The fourth proportional to 86,195.10, 129,015.63 and 46,114.08 is: 69,022.92
Step by Step Solution
- Step 1: Write the proportion equation
86,195.10 : 129,015.63 = 46,114.08 : x - Step 2: Convert to fraction form
86,195.10/129,015.63 = 46,114.08/x - Step 3: Cross multiply
86,195.10x = 129,015.63 × 46,114.08 - Step 4: Simplify right side
86,195.10x = 5,949,437,083.07 - Step 5: Solve for x
x = 5,949,437,083.07/86,195.10 - Step 6: Final answer
x = 69,022.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.