Finding the Fourth Proportional to 86,696.48, 119,639.58 and 48,456.66
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Solution
The fourth proportional to 86,696.48, 119,639.58 and 48,456.66 is: 66,869.32
Step by Step Solution
- Step 1: Write the proportion equation
86,696.48 : 119,639.58 = 48,456.66 : x - Step 2: Convert to fraction form
86,696.48/119,639.58 = 48,456.66/x - Step 3: Cross multiply
86,696.48x = 119,639.58 × 48,456.66 - Step 4: Simplify right side
86,696.48x = 5,797,334,450.60 - Step 5: Solve for x
x = 5,797,334,450.60/86,696.48 - Step 6: Final answer
x = 66,869.32
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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.