Finding the Fourth Proportional to 75,445.80, 113,183.19 and 28,694.94
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Solution
The fourth proportional to 75,445.80, 113,183.19 and 28,694.94 is: 43,047.92
Step by Step Solution
- Step 1: Write the proportion equation
75,445.80 : 113,183.19 = 28,694.94 : x - Step 2: Convert to fraction form
75,445.80/113,183.19 = 28,694.94/x - Step 3: Cross multiply
75,445.80x = 113,183.19 × 28,694.94 - Step 4: Simplify right side
75,445.80x = 3,247,784,846.06 - Step 5: Solve for x
x = 3,247,784,846.06/75,445.80 - Step 6: Final answer
x = 43,047.92
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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.