Finding the Fourth Proportional to 83,812.52, 115,651.58 and 48,000.39
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Solution
The fourth proportional to 83,812.52, 115,651.58 and 48,000.39 is: 66,234.99
Step by Step Solution
- Step 1: Write the proportion equation
83,812.52 : 115,651.58 = 48,000.39 : x - Step 2: Convert to fraction form
83,812.52/115,651.58 = 48,000.39/x - Step 3: Cross multiply
83,812.52x = 115,651.58 × 48,000.39 - Step 4: Simplify right side
83,812.52x = 5,551,320,704.11 - Step 5: Solve for x
x = 5,551,320,704.11/83,812.52 - Step 6: Final answer
x = 66,234.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.