Finding the Fourth Proportional to 74,654.08, 103,022.60 and 41,120.08
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Solution
The fourth proportional to 74,654.08, 103,022.60 and 41,120.08 is: 56,745.69
Step by Step Solution
- Step 1: Write the proportion equation
74,654.08 : 103,022.60 = 41,120.08 : x - Step 2: Convert to fraction form
74,654.08/103,022.60 = 41,120.08/x - Step 3: Cross multiply
74,654.08x = 103,022.60 × 41,120.08 - Step 4: Simplify right side
74,654.08x = 4,236,297,553.81 - Step 5: Solve for x
x = 4,236,297,553.81/74,654.08 - Step 6: Final answer
x = 56,745.69
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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.