Finding the Fourth Proportional to 68,486.44, 102,742.62 and 38,937.64
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Solution
The fourth proportional to 68,486.44, 102,742.62 and 38,937.64 is: 58,413.83
Step by Step Solution
- Step 1: Write the proportion equation
68,486.44 : 102,742.62 = 38,937.64 : x - Step 2: Convert to fraction form
68,486.44/102,742.62 = 38,937.64/x - Step 3: Cross multiply
68,486.44x = 102,742.62 × 38,937.64 - Step 4: Simplify right side
68,486.44x = 4,000,555,150.22 - Step 5: Solve for x
x = 4,000,555,150.22/68,486.44 - Step 6: Final answer
x = 58,413.83
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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.