Finding the Fourth Proportional to 86,581.10, 129,888.40 and 33,269.06
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Solution
The fourth proportional to 86,581.10, 129,888.40 and 33,269.06 is: 49,910.03
Step by Step Solution
- Step 1: Write the proportion equation
86,581.10 : 129,888.40 = 33,269.06 : x - Step 2: Convert to fraction form
86,581.10/129,888.40 = 33,269.06/x - Step 3: Cross multiply
86,581.10x = 129,888.40 × 33,269.06 - Step 4: Simplify right side
86,581.10x = 4,321,264,972.90 - Step 5: Solve for x
x = 4,321,264,972.90/86,581.10 - Step 6: Final answer
x = 49,910.03
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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.