Finding the Fourth Proportional to 74,339.56, 102,571.68 and 44,109.28
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Solution
The fourth proportional to 74,339.56, 102,571.68 and 44,109.28 is: 60,860.77
Step by Step Solution
- Step 1: Write the proportion equation
74,339.56 : 102,571.68 = 44,109.28 : x - Step 2: Convert to fraction form
74,339.56/102,571.68 = 44,109.28/x - Step 3: Cross multiply
74,339.56x = 102,571.68 × 44,109.28 - Step 4: Simplify right side
74,339.56x = 4,524,362,953.19 - Step 5: Solve for x
x = 4,524,362,953.19/74,339.56 - Step 6: Final answer
x = 60,860.77
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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.