Finding the Fourth Proportional to 79,972.62, 110,362.20 and 44,162.70
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Solution
The fourth proportional to 79,972.62, 110,362.20 and 44,162.70 is: 60,944.52
Step by Step Solution
- Step 1: Write the proportion equation
79,972.62 : 110,362.20 = 44,162.70 : x - Step 2: Convert to fraction form
79,972.62/110,362.20 = 44,162.70/x - Step 3: Cross multiply
79,972.62x = 110,362.20 × 44,162.70 - Step 4: Simplify right side
79,972.62x = 4,873,892,729.94 - Step 5: Solve for x
x = 4,873,892,729.94/79,972.62 - Step 6: Final answer
x = 60,944.52
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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.