Finding the Fourth Proportional to 125,474.99, 173,169.26 and 71,765.03
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Solution
The fourth proportional to 125,474.99, 173,169.26 and 71,765.03 is: 99,043.62
Step by Step Solution
- Step 1: Write the proportion equation
125,474.99 : 173,169.26 = 71,765.03 : x - Step 2: Convert to fraction form
125,474.99/173,169.26 = 71,765.03/x - Step 3: Cross multiply
125,474.99x = 173,169.26 × 71,765.03 - Step 4: Simplify right side
125,474.99x = 12,427,496,780.15 - Step 5: Solve for x
x = 12,427,496,780.15/125,474.99 - Step 6: Final answer
x = 99,043.62
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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.