Finding the Fourth Proportional to 68,418.13, 102,620.93 and 48,513.02
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Solution
The fourth proportional to 68,418.13, 102,620.93 and 48,513.02 is: 72,765.09
Step by Step Solution
- Step 1: Write the proportion equation
68,418.13 : 102,620.93 = 48,513.02 : x - Step 2: Convert to fraction form
68,418.13/102,620.93 = 48,513.02/x - Step 3: Cross multiply
68,418.13x = 102,620.93 × 48,513.02 - Step 4: Simplify right side
68,418.13x = 4,978,451,229.51 - Step 5: Solve for x
x = 4,978,451,229.51/68,418.13 - Step 6: Final answer
x = 72,765.09
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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.