Finding the Fourth Proportional to 79,880.70, 110,235.38 and 44,070.80
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Solution
The fourth proportional to 79,880.70, 110,235.38 and 44,070.80 is: 60,817.71
Step by Step Solution
- Step 1: Write the proportion equation
79,880.70 : 110,235.38 = 44,070.80 : x - Step 2: Convert to fraction form
79,880.70/110,235.38 = 44,070.80/x - Step 3: Cross multiply
79,880.70x = 110,235.38 × 44,070.80 - Step 4: Simplify right side
79,880.70x = 4,858,161,384.90 - Step 5: Solve for x
x = 4,858,161,384.90/79,880.70 - Step 6: Final answer
x = 60,817.71
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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.