Finding the Fourth Proportional to 85,134.07, 117,485.01 and 49,344.84
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Solution
The fourth proportional to 85,134.07, 117,485.01 and 49,344.84 is: 68,095.88
Step by Step Solution
- Step 1: Write the proportion equation
85,134.07 : 117,485.01 = 49,344.84 : x - Step 2: Convert to fraction form
85,134.07/117,485.01 = 49,344.84/x - Step 3: Cross multiply
85,134.07x = 117,485.01 × 49,344.84 - Step 4: Simplify right side
85,134.07x = 5,797,279,020.85 - Step 5: Solve for x
x = 5,797,279,020.85/85,134.07 - Step 6: Final answer
x = 68,095.88
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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.