Finding the Fourth Proportional to 79,867.70, 110,217.43 and 44,057.80
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Solution
The fourth proportional to 79,867.70, 110,217.43 and 44,057.80 is: 60,799.76
Step by Step Solution
- Step 1: Write the proportion equation
79,867.70 : 110,217.43 = 44,057.80 : x - Step 2: Convert to fraction form
79,867.70/110,217.43 = 44,057.80/x - Step 3: Cross multiply
79,867.70x = 110,217.43 × 44,057.80 - Step 4: Simplify right side
79,867.70x = 4,855,936,716.08 - Step 5: Solve for x
x = 4,855,936,716.08/79,867.70 - Step 6: Final answer
x = 60,799.76
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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.