Finding the Fourth Proportional to 76,051.68, 104,955.26 and 43,791.09
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Solution
The fourth proportional to 76,051.68, 104,955.26 and 43,791.09 is: 60,433.97
Step by Step Solution
- Step 1: Write the proportion equation
76,051.68 : 104,955.26 = 43,791.09 : x - Step 2: Convert to fraction form
76,051.68/104,955.26 = 43,791.09/x - Step 3: Cross multiply
76,051.68x = 104,955.26 × 43,791.09 - Step 4: Simplify right side
76,051.68x = 4,596,105,017.68 - Step 5: Solve for x
x = 4,596,105,017.68/76,051.68 - Step 6: Final answer
x = 60,433.97
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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.