Finding the Fourth Proportional to 87,074.25, 130,604.49 and 27,894.03
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Solution
The fourth proportional to 87,074.25, 130,604.49 and 27,894.03 is: 41,838.84
Step by Step Solution
- Step 1: Write the proportion equation
87,074.25 : 130,604.49 = 27,894.03 : x - Step 2: Convert to fraction form
87,074.25/130,604.49 = 27,894.03/x - Step 3: Cross multiply
87,074.25x = 130,604.49 × 27,894.03 - Step 4: Simplify right side
87,074.25x = 3,643,085,562.19 - Step 5: Solve for x
x = 3,643,085,562.19/87,074.25 - Step 6: Final answer
x = 41,838.84
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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.