Finding the Fourth Proportional to 83,933.64, 125,920.02 and 27,771.48
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Solution
The fourth proportional to 83,933.64, 125,920.02 and 27,771.48 is: 41,663.69
Step by Step Solution
- Step 1: Write the proportion equation
83,933.64 : 125,920.02 = 27,771.48 : x - Step 2: Convert to fraction form
83,933.64/125,920.02 = 27,771.48/x - Step 3: Cross multiply
83,933.64x = 125,920.02 × 27,771.48 - Step 4: Simplify right side
83,933.64x = 3,496,985,317.03 - Step 5: Solve for x
x = 3,496,985,317.03/83,933.64 - Step 6: Final answer
x = 41,663.69
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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.