Finding the Fourth Proportional to 91,810.26, 126,700.43 and 51,527.09
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Solution
The fourth proportional to 91,810.26, 126,700.43 and 51,527.09 is: 71,108.65
Step by Step Solution
- Step 1: Write the proportion equation
91,810.26 : 126,700.43 = 51,527.09 : x - Step 2: Convert to fraction form
91,810.26/126,700.43 = 51,527.09/x - Step 3: Cross multiply
91,810.26x = 126,700.43 × 51,527.09 - Step 4: Simplify right side
91,810.26x = 6,528,503,950.99 - Step 5: Solve for x
x = 6,528,503,950.99/91,810.26 - Step 6: Final answer
x = 71,108.65
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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.