Finding the Fourth Proportional to 87,344.04, 120,520.26 and 49,604.52
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Solution
The fourth proportional to 87,344.04, 120,520.26 and 49,604.52 is: 68,445.99
Step by Step Solution
- Step 1: Write the proportion equation
87,344.04 : 120,520.26 = 49,604.52 : x - Step 2: Convert to fraction form
87,344.04/120,520.26 = 49,604.52/x - Step 3: Cross multiply
87,344.04x = 120,520.26 × 49,604.52 - Step 4: Simplify right side
87,344.04x = 5,978,349,647.58 - Step 5: Solve for x
x = 5,978,349,647.58/87,344.04 - Step 6: Final answer
x = 68,445.99
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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.