Finding the Fourth Proportional to 79,985.44, 110,380.80 and 44,174.62
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Solution
The fourth proportional to 79,985.44, 110,380.80 and 44,174.62 is: 60,961.47
Step by Step Solution
- Step 1: Write the proportion equation
79,985.44 : 110,380.80 = 44,174.62 : x - Step 2: Convert to fraction form
79,985.44/110,380.80 = 44,174.62/x - Step 3: Cross multiply
79,985.44x = 110,380.80 × 44,174.62 - Step 4: Simplify right side
79,985.44x = 4,876,029,895.30 - Step 5: Solve for x
x = 4,876,029,895.30/79,985.44 - Step 6: Final answer
x = 60,961.47
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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.