Finding the Fourth Proportional to 74,745.44, 103,135.92 and 44,527.04
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Solution
The fourth proportional to 74,745.44, 103,135.92 and 44,527.04 is: 61,439.70
Step by Step Solution
- Step 1: Write the proportion equation
74,745.44 : 103,135.92 = 44,527.04 : x - Step 2: Convert to fraction form
74,745.44/103,135.92 = 44,527.04/x - Step 3: Cross multiply
74,745.44x = 103,135.92 × 44,527.04 - Step 4: Simplify right side
74,745.44x = 4,592,337,235.28 - Step 5: Solve for x
x = 4,592,337,235.28/74,745.44 - Step 6: Final answer
x = 61,439.70
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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.