Finding the Fourth Proportional to 75,884.56, 104,720.84 and 41,893.09
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Solution
The fourth proportional to 75,884.56, 104,720.84 and 41,893.09 is: 57,812.55
Step by Step Solution
- Step 1: Write the proportion equation
75,884.56 : 104,720.84 = 41,893.09 : x - Step 2: Convert to fraction form
75,884.56/104,720.84 = 41,893.09/x - Step 3: Cross multiply
75,884.56x = 104,720.84 × 41,893.09 - Step 4: Simplify right side
75,884.56x = 4,387,079,575.00 - Step 5: Solve for x
x = 4,387,079,575.00/75,884.56 - Step 6: Final answer
x = 57,812.55
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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.