Finding the Fourth Proportional to 79,984.76, 110,379.80 and 44,175.68
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Solution
The fourth proportional to 79,984.76, 110,379.80 and 44,175.68 is: 60,962.90
Step by Step Solution
- Step 1: Write the proportion equation
79,984.76 : 110,379.80 = 44,175.68 : x - Step 2: Convert to fraction form
79,984.76/110,379.80 = 44,175.68/x - Step 3: Cross multiply
79,984.76x = 110,379.80 × 44,175.68 - Step 4: Simplify right side
79,984.76x = 4,876,102,723.26 - Step 5: Solve for x
x = 4,876,102,723.26/79,984.76 - Step 6: Final answer
x = 60,962.90
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1.5x scale
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.