Finding the Fourth Proportional to 76,469.24, 114,699.81 and 23,872.70
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Solution
The fourth proportional to 76,469.24, 114,699.81 and 23,872.70 is: 35,807.79
Step by Step Solution
- Step 1: Write the proportion equation
76,469.24 : 114,699.81 = 23,872.70 : x - Step 2: Convert to fraction form
76,469.24/114,699.81 = 23,872.70/x - Step 3: Cross multiply
76,469.24x = 114,699.81 × 23,872.70 - Step 4: Simplify right side
76,469.24x = 2,738,194,154.19 - Step 5: Solve for x
x = 2,738,194,154.19/76,469.24 - Step 6: Final answer
x = 35,807.79
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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.