Finding the Fourth Proportional to 79,644.48, 119,383.36 and 29,704.48
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Solution
The fourth proportional to 79,644.48, 119,383.36 and 29,704.48 is: 44,525.63
Step by Step Solution
- Step 1: Write the proportion equation
79,644.48 : 119,383.36 = 29,704.48 : x - Step 2: Convert to fraction form
79,644.48/119,383.36 = 29,704.48/x - Step 3: Cross multiply
79,644.48x = 119,383.36 × 29,704.48 - Step 4: Simplify right side
79,644.48x = 3,546,220,629.45 - Step 5: Solve for x
x = 3,546,220,629.45/79,644.48 - Step 6: Final answer
x = 44,525.63
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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.