Finding the Fourth Proportional to 86,246.24, 129,374.84 and 27,084.24
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Solution
The fourth proportional to 86,246.24, 129,374.84 and 27,084.24 is: 40,628.08
Step by Step Solution
- Step 1: Write the proportion equation
86,246.24 : 129,374.84 = 27,084.24 : x - Step 2: Convert to fraction form
86,246.24/129,374.84 = 27,084.24/x - Step 3: Cross multiply
86,246.24x = 129,374.84 × 27,084.24 - Step 4: Simplify right side
86,246.24x = 3,504,019,081.10 - Step 5: Solve for x
x = 3,504,019,081.10/86,246.24 - Step 6: Final answer
x = 40,628.08
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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.