Finding the Fourth Proportional to 75,979.25, 113,933.09 and 44,398.44
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Solution
The fourth proportional to 75,979.25, 113,933.09 and 44,398.44 is: 66,576.75
Step by Step Solution
- Step 1: Write the proportion equation
75,979.25 : 113,933.09 = 44,398.44 : x - Step 2: Convert to fraction form
75,979.25/113,933.09 = 44,398.44/x - Step 3: Cross multiply
75,979.25x = 113,933.09 × 44,398.44 - Step 4: Simplify right side
75,979.25x = 5,058,451,073.05 - Step 5: Solve for x
x = 5,058,451,073.05/75,979.25 - Step 6: Final answer
x = 66,576.75
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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.