Finding the Fourth Proportional to 79,880.20, 110,234.69 and 44,070.30
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Solution
The fourth proportional to 79,880.20, 110,234.69 and 44,070.30 is: 60,817.02
Step by Step Solution
- Step 1: Write the proportion equation
79,880.20 : 110,234.69 = 44,070.30 : x - Step 2: Convert to fraction form
79,880.20/110,234.69 = 44,070.30/x - Step 3: Cross multiply
79,880.20x = 110,234.69 × 44,070.30 - Step 4: Simplify right side
79,880.20x = 4,858,075,858.71 - Step 5: Solve for x
x = 4,858,075,858.71/79,880.20 - Step 6: Final answer
x = 60,817.02
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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.