Finding the Fourth Proportional to 86,078.49, 129,125.18 and 23,748.99
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Solution
The fourth proportional to 86,078.49, 129,125.18 and 23,748.99 is: 35,625.54
Step by Step Solution
- Step 1: Write the proportion equation
86,078.49 : 129,125.18 = 23,748.99 : x - Step 2: Convert to fraction form
86,078.49/129,125.18 = 23,748.99/x - Step 3: Cross multiply
86,078.49x = 129,125.18 × 23,748.99 - Step 4: Simplify right side
86,078.49x = 3,066,592,608.57 - Step 5: Solve for x
x = 3,066,592,608.57/86,078.49 - Step 6: Final answer
x = 35,625.54
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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.