Finding the Fourth Proportional to 68,201.10, 102,520.35 and 48,615.30
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Solution
The fourth proportional to 68,201.10, 102,520.35 and 48,615.30 is: 73,078.84
Step by Step Solution
- Step 1: Write the proportion equation
68,201.10 : 102,520.35 = 48,615.30 : x - Step 2: Convert to fraction form
68,201.10/102,520.35 = 48,615.30/x - Step 3: Cross multiply
68,201.10x = 102,520.35 × 48,615.30 - Step 4: Simplify right side
68,201.10x = 4,984,057,571.36 - Step 5: Solve for x
x = 4,984,057,571.36/68,201.10 - Step 6: Final answer
x = 73,078.84
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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.