Finding the Fourth Proportional to 125,701.75, 173,471.70 and 68,344.93
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Solution
The fourth proportional to 125,701.75, 173,471.70 and 68,344.93 is: 94,317.79
Step by Step Solution
- Step 1: Write the proportion equation
125,701.75 : 173,471.70 = 68,344.93 : x - Step 2: Convert to fraction form
125,701.75/173,471.70 = 68,344.93/x - Step 3: Cross multiply
125,701.75x = 173,471.70 × 68,344.93 - Step 4: Simplify right side
125,701.75x = 11,855,911,193.48 - Step 5: Solve for x
x = 11,855,911,193.48/125,701.75 - Step 6: Final answer
x = 94,317.79
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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.