Finding the Fourth Proportional to 75,668.58, 104,427.36 and 41,677.05
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Solution
The fourth proportional to 75,668.58, 104,427.36 and 41,677.05 is: 57,516.93
Step by Step Solution
- Step 1: Write the proportion equation
75,668.58 : 104,427.36 = 41,677.05 : x - Step 2: Convert to fraction form
75,668.58/104,427.36 = 41,677.05/x - Step 3: Cross multiply
75,668.58x = 104,427.36 × 41,677.05 - Step 4: Simplify right side
75,668.58x = 4,352,224,304.09 - Step 5: Solve for x
x = 4,352,224,304.09/75,668.58 - Step 6: Final answer
x = 57,516.93
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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.