Finding the Fourth Proportional to 91,195.26, 125,858.82 and 53,481.66
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Solution
The fourth proportional to 91,195.26, 125,858.82 and 53,481.66 is: 73,810.18
Step by Step Solution
- Step 1: Write the proportion equation
91,195.26 : 125,858.82 = 53,481.66 : x - Step 2: Convert to fraction form
91,195.26/125,858.82 = 53,481.66/x - Step 3: Cross multiply
91,195.26x = 125,858.82 × 53,481.66 - Step 4: Simplify right side
91,195.26x = 6,731,138,619.24 - Step 5: Solve for x
x = 6,731,138,619.24/91,195.26 - Step 6: Final answer
x = 73,810.18
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1.5x scale
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.