Finding the Fourth Proportional to 104,538.26, 144,262.99 and 56,791.67
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Solution
The fourth proportional to 104,538.26, 144,262.99 and 56,791.67 is: 78,372.60
Step by Step Solution
- Step 1: Write the proportion equation
104,538.26 : 144,262.99 = 56,791.67 : x - Step 2: Convert to fraction form
104,538.26/144,262.99 = 56,791.67/x - Step 3: Cross multiply
104,538.26x = 144,262.99 × 56,791.67 - Step 4: Simplify right side
104,538.26x = 8,192,935,470.97 - Step 5: Solve for x
x = 8,192,935,470.97/104,538.26 - Step 6: Final answer
x = 78,372.60
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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.