Finding the Fourth Proportional to 74,261.97, 102,481.08 and 40,270.53
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Solution
The fourth proportional to 74,261.97, 102,481.08 and 40,270.53 is: 55,573.09
Step by Step Solution
- Step 1: Write the proportion equation
74,261.97 : 102,481.08 = 40,270.53 : x - Step 2: Convert to fraction form
74,261.97/102,481.08 = 40,270.53/x - Step 3: Cross multiply
74,261.97x = 102,481.08 × 40,270.53 - Step 4: Simplify right side
74,261.97x = 4,126,967,406.57 - Step 5: Solve for x
x = 4,126,967,406.57/74,261.97 - Step 6: Final answer
x = 55,573.09
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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.