Finding the Fourth Proportional to 76,694.24, 115,074.83 and 26,810.12
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Solution
The fourth proportional to 76,694.24, 115,074.83 and 26,810.12 is: 40,226.88
Step by Step Solution
- Step 1: Write the proportion equation
76,694.24 : 115,074.83 = 26,810.12 : x - Step 2: Convert to fraction form
76,694.24/115,074.83 = 26,810.12/x - Step 3: Cross multiply
76,694.24x = 115,074.83 × 26,810.12 - Step 4: Simplify right side
76,694.24x = 3,085,170,355.99 - Step 5: Solve for x
x = 3,085,170,355.99/76,694.24 - Step 6: Final answer
x = 40,226.88
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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.