Finding the Fourth Proportional to 79,797.85, 110,119.66 and 43,991.19
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Solution
The fourth proportional to 79,797.85, 110,119.66 and 43,991.19 is: 60,707.09
Step by Step Solution
- Step 1: Write the proportion equation
79,797.85 : 110,119.66 = 43,991.19 : x - Step 2: Convert to fraction form
79,797.85/110,119.66 = 43,991.19/x - Step 3: Cross multiply
79,797.85x = 110,119.66 × 43,991.19 - Step 4: Simplify right side
79,797.85x = 4,844,294,885.80 - Step 5: Solve for x
x = 4,844,294,885.80/79,797.85 - Step 6: Final answer
x = 60,707.09
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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.