Finding the Fourth Proportional to 75,497.91, 113,163.82 and 31,100.44
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Solution
The fourth proportional to 75,497.91, 113,163.82 and 31,100.44 is: 46,616.45
Step by Step Solution
- Step 1: Write the proportion equation
75,497.91 : 113,163.82 = 31,100.44 : x - Step 2: Convert to fraction form
75,497.91/113,163.82 = 31,100.44/x - Step 3: Cross multiply
75,497.91x = 113,163.82 × 31,100.44 - Step 4: Simplify right side
75,497.91x = 3,519,444,594.08 - Step 5: Solve for x
x = 3,519,444,594.08/75,497.91 - Step 6: Final answer
x = 46,616.45
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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.