Finding the Fourth Proportional to 88,678.12, 132,942.27 and 41,268.75
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Solution
The fourth proportional to 88,678.12, 132,942.27 and 41,268.75 is: 61,868.26
Step by Step Solution
- Step 1: Write the proportion equation
88,678.12 : 132,942.27 = 41,268.75 : x - Step 2: Convert to fraction form
88,678.12/132,942.27 = 41,268.75/x - Step 3: Cross multiply
88,678.12x = 132,942.27 × 41,268.75 - Step 4: Simplify right side
88,678.12x = 5,486,361,305.06 - Step 5: Solve for x
x = 5,486,361,305.06/88,678.12 - Step 6: Final answer
x = 61,868.26
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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.