Finding the Fourth Proportional to 86,338.58, 119,131.44 and 48,097.19
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Solution
The fourth proportional to 86,338.58, 119,131.44 and 48,097.19 is: 66,365.32
Step by Step Solution
- Step 1: Write the proportion equation
86,338.58 : 119,131.44 = 48,097.19 : x - Step 2: Convert to fraction form
86,338.58/119,131.44 = 48,097.19/x - Step 3: Cross multiply
86,338.58x = 119,131.44 × 48,097.19 - Step 4: Simplify right side
86,338.58x = 5,729,887,504.65 - Step 5: Solve for x
x = 5,729,887,504.65/86,338.58 - Step 6: Final answer
x = 66,365.32
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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.