Finding the Fourth Proportional to 77,644.29, 116,493.77 and 38,229.09
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Solution
The fourth proportional to 77,644.29, 116,493.77 and 38,229.09 is: 57,357.09
Step by Step Solution
- Step 1: Write the proportion equation
77,644.29 : 116,493.77 = 38,229.09 : x - Step 2: Convert to fraction form
77,644.29/116,493.77 = 38,229.09/x - Step 3: Cross multiply
77,644.29x = 116,493.77 × 38,229.09 - Step 4: Simplify right side
77,644.29x = 4,453,450,817.77 - Step 5: Solve for x
x = 4,453,450,817.77/77,644.29 - Step 6: Final answer
x = 57,357.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.