Finding the Fourth Proportional to 76,762.36, 115,096.64 and 36,793.57
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Solution
The fourth proportional to 76,762.36, 115,096.64 and 36,793.57 is: 55,167.88
Step by Step Solution
- Step 1: Write the proportion equation
76,762.36 : 115,096.64 = 36,793.57 : x - Step 2: Convert to fraction form
76,762.36/115,096.64 = 36,793.57/x - Step 3: Cross multiply
76,762.36x = 115,096.64 × 36,793.57 - Step 4: Simplify right side
76,762.36x = 4,234,816,525.30 - Step 5: Solve for x
x = 4,234,816,525.30/76,762.36 - Step 6: Final answer
x = 55,167.88
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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.