Finding the Fourth Proportional to 77,391.99, 116,099.51 and 27,467.90
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Solution
The fourth proportional to 77,391.99, 116,099.51 and 27,467.90 is: 41,205.94
Step by Step Solution
- Step 1: Write the proportion equation
77,391.99 : 116,099.51 = 27,467.90 : x - Step 2: Convert to fraction form
77,391.99/116,099.51 = 27,467.90/x - Step 3: Cross multiply
77,391.99x = 116,099.51 × 27,467.90 - Step 4: Simplify right side
77,391.99x = 3,189,009,654.27 - Step 5: Solve for x
x = 3,189,009,654.27/77,391.99 - Step 6: Final answer
x = 41,205.94
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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.