Finding the Fourth Proportional to 75,446.80, 113,184.69 and 28,695.94
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Solution
The fourth proportional to 75,446.80, 113,184.69 and 28,695.94 is: 43,049.42
Step by Step Solution
- Step 1: Write the proportion equation
75,446.80 : 113,184.69 = 28,695.94 : x - Step 2: Convert to fraction form
75,446.80/113,184.69 = 28,695.94/x - Step 3: Cross multiply
75,446.80x = 113,184.69 × 28,695.94 - Step 4: Simplify right side
75,446.80x = 3,247,941,073.16 - Step 5: Solve for x
x = 3,247,941,073.16/75,446.80 - Step 6: Final answer
x = 43,049.42
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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.