Finding the Fourth Proportional to 86,551.44, 129,850.08 and 27,388.08
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Solution
The fourth proportional to 86,551.44, 129,850.08 and 27,388.08 is: 41,089.37
Step by Step Solution
- Step 1: Write the proportion equation
86,551.44 : 129,850.08 = 27,388.08 : x - Step 2: Convert to fraction form
86,551.44/129,850.08 = 27,388.08/x - Step 3: Cross multiply
86,551.44x = 129,850.08 × 27,388.08 - Step 4: Simplify right side
86,551.44x = 3,556,344,379.05 - Step 5: Solve for x
x = 3,556,344,379.05/86,551.44 - Step 6: Final answer
x = 41,089.37
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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.