Finding the Fourth Proportional to 74,236.92, 102,451.14 and 44,040.12
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Solution
The fourth proportional to 74,236.92, 102,451.14 and 44,040.12 is: 60,777.85
Step by Step Solution
- Step 1: Write the proportion equation
74,236.92 : 102,451.14 = 44,040.12 : x - Step 2: Convert to fraction form
74,236.92/102,451.14 = 44,040.12/x - Step 3: Cross multiply
74,236.92x = 102,451.14 × 44,040.12 - Step 4: Simplify right side
74,236.92x = 4,511,960,499.74 - Step 5: Solve for x
x = 4,511,960,499.74/74,236.92 - Step 6: Final answer
x = 60,777.85
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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.