Finding the Fourth Proportional to 74,054.56, 102,195.60 and 40,523.68
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Solution
The fourth proportional to 74,054.56, 102,195.60 and 40,523.68 is: 55,922.85
Step by Step Solution
- Step 1: Write the proportion equation
74,054.56 : 102,195.60 = 40,523.68 : x - Step 2: Convert to fraction form
74,054.56/102,195.60 = 40,523.68/x - Step 3: Cross multiply
74,054.56x = 102,195.60 × 40,523.68 - Step 4: Simplify right side
74,054.56x = 4,141,341,791.81 - Step 5: Solve for x
x = 4,141,341,791.81/74,054.56 - Step 6: Final answer
x = 55,922.85
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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.