Finding the Fourth Proportional to 81,994.08, 122,713.08 and 50,423.94
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Solution
The fourth proportional to 81,994.08, 122,713.08 and 50,423.94 is: 75,464.92
Step by Step Solution
- Step 1: Write the proportion equation
81,994.08 : 122,713.08 = 50,423.94 : x - Step 2: Convert to fraction form
81,994.08/122,713.08 = 50,423.94/x - Step 3: Cross multiply
81,994.08x = 122,713.08 × 50,423.94 - Step 4: Simplify right side
81,994.08x = 6,187,676,983.14 - Step 5: Solve for x
x = 6,187,676,983.14/81,994.08 - Step 6: Final answer
x = 75,464.92
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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.