Finding the Fourth Proportional to 87,750.33, 121,095.45 and 49,517.97
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Solution
The fourth proportional to 87,750.33, 121,095.45 and 49,517.97 is: 68,334.80
Step by Step Solution
- Step 1: Write the proportion equation
87,750.33 : 121,095.45 = 49,517.97 : x - Step 2: Convert to fraction form
87,750.33/121,095.45 = 49,517.97/x - Step 3: Cross multiply
87,750.33x = 121,095.45 × 49,517.97 - Step 4: Simplify right side
87,750.33x = 5,996,400,860.24 - Step 5: Solve for x
x = 5,996,400,860.24/87,750.33 - Step 6: Final answer
x = 68,334.80
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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.