Finding the Fourth Proportional to 125,805.76, 173,615.25 and 68,448.67
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Solution
The fourth proportional to 125,805.76, 173,615.25 and 68,448.67 is: 94,460.96
Step by Step Solution
- Step 1: Write the proportion equation
125,805.76 : 173,615.25 = 68,448.67 : x - Step 2: Convert to fraction form
125,805.76/173,615.25 = 68,448.67/x - Step 3: Cross multiply
125,805.76x = 173,615.25 × 68,448.67 - Step 4: Simplify right side
125,805.76x = 11,883,732,954.22 - Step 5: Solve for x
x = 11,883,732,954.22/125,805.76 - Step 6: Final answer
x = 94,460.96
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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.