Finding the Fourth Proportional to 75,257.62, 112,843.23 and 22,651.54
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Solution
The fourth proportional to 75,257.62, 112,843.23 and 22,651.54 is: 33,964.31
Step by Step Solution
- Step 1: Write the proportion equation
75,257.62 : 112,843.23 = 22,651.54 : x - Step 2: Convert to fraction form
75,257.62/112,843.23 = 22,651.54/x - Step 3: Cross multiply
75,257.62x = 112,843.23 × 22,651.54 - Step 4: Simplify right side
75,257.62x = 2,556,072,938.07 - Step 5: Solve for x
x = 2,556,072,938.07/75,257.62 - Step 6: Final answer
x = 33,964.31
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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.