Finding the Fourth Proportional to 91,926.36, 126,858.87 and 51,641.82
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Solution
The fourth proportional to 91,926.36, 126,858.87 and 51,641.82 is: 71,265.99
Step by Step Solution
- Step 1: Write the proportion equation
91,926.36 : 126,858.87 = 51,641.82 : x - Step 2: Convert to fraction form
91,926.36/126,858.87 = 51,641.82/x - Step 3: Cross multiply
91,926.36x = 126,858.87 × 51,641.82 - Step 4: Simplify right side
91,926.36x = 6,551,222,929.94 - Step 5: Solve for x
x = 6,551,222,929.94/91,926.36 - Step 6: Final answer
x = 71,265.99
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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.