Finding the Fourth Proportional to 86,515.29, 129,796.02 and 27,352.08
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Solution
The fourth proportional to 86,515.29, 129,796.02 and 27,352.08 is: 41,035.42
Step by Step Solution
- Step 1: Write the proportion equation
86,515.29 : 129,796.02 = 27,352.08 : x - Step 2: Convert to fraction form
86,515.29/129,796.02 = 27,352.08/x - Step 3: Cross multiply
86,515.29x = 129,796.02 × 27,352.08 - Step 4: Simplify right side
86,515.29x = 3,550,191,122.72 - Step 5: Solve for x
x = 3,550,191,122.72/86,515.29 - Step 6: Final answer
x = 41,035.42
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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.