Finding the Fourth Proportional to 94,942.94, 131,021.04 and 54,641.99
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Solution
The fourth proportional to 94,942.94, 131,021.04 and 54,641.99 is: 75,405.83
Step by Step Solution
- Step 1: Write the proportion equation
94,942.94 : 131,021.04 = 54,641.99 : x - Step 2: Convert to fraction form
94,942.94/131,021.04 = 54,641.99/x - Step 3: Cross multiply
94,942.94x = 131,021.04 × 54,641.99 - Step 4: Simplify right side
94,942.94x = 7,159,250,889.93 - Step 5: Solve for x
x = 7,159,250,889.93/94,942.94 - Step 6: Final answer
x = 75,405.83
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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.