Finding the Fourth Proportional to 74,804.24, 103,236.02 and 42,548.96
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Solution
The fourth proportional to 74,804.24, 103,236.02 and 42,548.96 is: 58,721.07
Step by Step Solution
- Step 1: Write the proportion equation
74,804.24 : 103,236.02 = 42,548.96 : x - Step 2: Convert to fraction form
74,804.24/103,236.02 = 42,548.96/x - Step 3: Cross multiply
74,804.24x = 103,236.02 × 42,548.96 - Step 4: Simplify right side
74,804.24x = 4,392,585,490.44 - Step 5: Solve for x
x = 4,392,585,490.44/74,804.24 - Step 6: Final answer
x = 58,721.07
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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.