Finding the Fourth Proportional to 76,836.97, 115,251.29 and 29,474.76
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Solution
The fourth proportional to 76,836.97, 115,251.29 and 29,474.76 is: 44,210.54
Step by Step Solution
- Step 1: Write the proportion equation
76,836.97 : 115,251.29 = 29,474.76 : x - Step 2: Convert to fraction form
76,836.97/115,251.29 = 29,474.76/x - Step 3: Cross multiply
76,836.97x = 115,251.29 × 29,474.76 - Step 4: Simplify right side
76,836.97x = 3,397,004,112.44 - Step 5: Solve for x
x = 3,397,004,112.44/76,836.97 - Step 6: Final answer
x = 44,210.54
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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.