Finding the Fourth Proportional to 125,936.60, 173,792.23 and 68,575.03
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Solution
The fourth proportional to 125,936.60, 173,792.23 and 68,575.03 is: 94,633.39
Step by Step Solution
- Step 1: Write the proportion equation
125,936.60 : 173,792.23 = 68,575.03 : x - Step 2: Convert to fraction form
125,936.60/173,792.23 = 68,575.03/x - Step 3: Cross multiply
125,936.60x = 173,792.23 × 68,575.03 - Step 4: Simplify right side
125,936.60x = 11,917,806,780.10 - Step 5: Solve for x
x = 11,917,806,780.10/125,936.60 - Step 6: Final answer
x = 94,633.39
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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.