Finding the Fourth Proportional to 79,838.66, 110,175.18 and 44,028.02
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Solution
The fourth proportional to 79,838.66, 110,175.18 and 44,028.02 is: 60,757.47
Step by Step Solution
- Step 1: Write the proportion equation
79,838.66 : 110,175.18 = 44,028.02 : x - Step 2: Convert to fraction form
79,838.66/110,175.18 = 44,028.02/x - Step 3: Cross multiply
79,838.66x = 110,175.18 × 44,028.02 - Step 4: Simplify right side
79,838.66x = 4,850,795,028.54 - Step 5: Solve for x
x = 4,850,795,028.54/79,838.66 - Step 6: Final answer
x = 60,757.47
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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.