Finding the Fourth Proportional to 79,972.65, 110,361.56 and 44,162.96
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Solution
The fourth proportional to 79,972.65, 110,361.56 and 44,162.96 is: 60,944.49
Step by Step Solution
- Step 1: Write the proportion equation
79,972.65 : 110,361.56 = 44,162.96 : x - Step 2: Convert to fraction form
79,972.65/110,361.56 = 44,162.96/x - Step 3: Cross multiply
79,972.65x = 110,361.56 × 44,162.96 - Step 4: Simplify right side
79,972.65x = 4,873,892,387.20 - Step 5: Solve for x
x = 4,873,892,387.20/79,972.65 - Step 6: Final answer
x = 60,944.49
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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.