Finding the Fourth Proportional to 75,022.08, 103,481.70 and 48,121.98
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Solution
The fourth proportional to 75,022.08, 103,481.70 and 48,121.98 is: 66,377.05
Step by Step Solution
- Step 1: Write the proportion equation
75,022.08 : 103,481.70 = 48,121.98 : x - Step 2: Convert to fraction form
75,022.08/103,481.70 = 48,121.98/x - Step 3: Cross multiply
75,022.08x = 103,481.70 × 48,121.98 - Step 4: Simplify right side
75,022.08x = 4,979,744,297.77 - Step 5: Solve for x
x = 4,979,744,297.77/75,022.08 - Step 6: Final answer
x = 66,377.05
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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.