Finding the Fourth Proportional to 75,482.08, 104,163.06 and 41,490.53
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Solution
The fourth proportional to 75,482.08, 104,163.06 and 41,490.53 is: 57,255.72
Step by Step Solution
- Step 1: Write the proportion equation
75,482.08 : 104,163.06 = 41,490.53 : x - Step 2: Convert to fraction form
75,482.08/104,163.06 = 41,490.53/x - Step 3: Cross multiply
75,482.08x = 104,163.06 × 41,490.53 - Step 4: Simplify right side
75,482.08x = 4,321,780,591.21 - Step 5: Solve for x
x = 4,321,780,591.21/75,482.08 - Step 6: Final answer
x = 57,255.72
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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.