Finding the Fourth Proportional to 88,530.75, 122,172.44 and 48,786.75
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Solution
The fourth proportional to 88,530.75, 122,172.44 and 48,786.75 is: 67,325.72
Step by Step Solution
- Step 1: Write the proportion equation
88,530.75 : 122,172.44 = 48,786.75 : x - Step 2: Convert to fraction form
88,530.75/122,172.44 = 48,786.75/x - Step 3: Cross multiply
88,530.75x = 122,172.44 × 48,786.75 - Step 4: Simplify right side
88,530.75x = 5,960,396,043.24 - Step 5: Solve for x
x = 5,960,396,043.24/88,530.75 - Step 6: Final answer
x = 67,325.72
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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.