Finding the Fourth Proportional to 104,975.75, 157,554.63 and 55,091.09
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Solution
The fourth proportional to 104,975.75, 157,554.63 and 55,091.09 is: 82,684.40
Step by Step Solution
- Step 1: Write the proportion equation
104,975.75 : 157,554.63 = 55,091.09 : x - Step 2: Convert to fraction form
104,975.75/157,554.63 = 55,091.09/x - Step 3: Cross multiply
104,975.75x = 157,554.63 × 55,091.09 - Step 4: Simplify right side
104,975.75x = 8,679,856,695.13 - Step 5: Solve for x
x = 8,679,856,695.13/104,975.75 - Step 6: Final answer
x = 82,684.40
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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.