Finding the Fourth Proportional to 125,757.84, 173,544.09 and 68,395.91
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Solution
The fourth proportional to 125,757.84, 173,544.09 and 68,395.91 is: 94,385.42
Step by Step Solution
- Step 1: Write the proportion equation
125,757.84 : 173,544.09 = 68,395.91 : x - Step 2: Convert to fraction form
125,757.84/173,544.09 = 68,395.91/x - Step 3: Cross multiply
125,757.84x = 173,544.09 × 68,395.91 - Step 4: Simplify right side
125,757.84x = 11,869,705,960.67 - Step 5: Solve for x
x = 11,869,705,960.67/125,757.84 - Step 6: Final answer
x = 94,385.42
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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.