Finding the Fourth Proportional to 91,684.26, 126,526.53 and 51,396.18
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Solution
The fourth proportional to 91,684.26, 126,526.53 and 51,396.18 is: 70,927.99
Step by Step Solution
- Step 1: Write the proportion equation
91,684.26 : 126,526.53 = 51,396.18 : x - Step 2: Convert to fraction form
91,684.26/126,526.53 = 51,396.18/x - Step 3: Cross multiply
91,684.26x = 126,526.53 × 51,396.18 - Step 4: Simplify right side
91,684.26x = 6,502,980,310.66 - Step 5: Solve for x
x = 6,502,980,310.66/91,684.26 - Step 6: Final answer
x = 70,927.99
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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.