Finding the Fourth Proportional to 75,173.24, 112,620.66 and 37,689.56
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Solution
The fourth proportional to 75,173.24, 112,620.66 and 37,689.56 is: 56,464.55
Step by Step Solution
- Step 1: Write the proportion equation
75,173.24 : 112,620.66 = 37,689.56 : x - Step 2: Convert to fraction form
75,173.24/112,620.66 = 37,689.56/x - Step 3: Cross multiply
75,173.24x = 112,620.66 × 37,689.56 - Step 4: Simplify right side
75,173.24x = 4,244,623,122.31 - Step 5: Solve for x
x = 4,244,623,122.31/75,173.24 - Step 6: Final answer
x = 56,464.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.