Finding the Fourth Proportional to 91,187.44, 125,832.62 and 57,194.44
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Solution
The fourth proportional to 91,187.44, 125,832.62 and 57,194.44 is: 78,924.53
Step by Step Solution
- Step 1: Write the proportion equation
91,187.44 : 125,832.62 = 57,194.44 : x - Step 2: Convert to fraction form
91,187.44/125,832.62 = 57,194.44/x - Step 3: Cross multiply
91,187.44x = 125,832.62 × 57,194.44 - Step 4: Simplify right side
91,187.44x = 7,196,926,063.04 - Step 5: Solve for x
x = 7,196,926,063.04/91,187.44 - Step 6: Final answer
x = 78,924.53
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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.