Finding the Fourth Proportional to 88,678.27, 122,378.61 and 48,394.62
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Solution
The fourth proportional to 88,678.27, 122,378.61 and 48,394.62 is: 66,785.99
Step by Step Solution
- Step 1: Write the proportion equation
88,678.27 : 122,378.61 = 48,394.62 : x - Step 2: Convert to fraction form
88,678.27/122,378.61 = 48,394.62/x - Step 3: Cross multiply
88,678.27x = 122,378.61 × 48,394.62 - Step 4: Simplify right side
88,678.27x = 5,922,466,327.08 - Step 5: Solve for x
x = 5,922,466,327.08/88,678.27 - Step 6: Final answer
x = 66,785.99
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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.