Finding the Fourth Proportional to 80,118.24, 110,577.05 and 48,287.18
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Solution
The fourth proportional to 80,118.24, 110,577.05 and 48,287.18 is: 66,644.66
Step by Step Solution
- Step 1: Write the proportion equation
80,118.24 : 110,577.05 = 48,287.18 : x - Step 2: Convert to fraction form
80,118.24/110,577.05 = 48,287.18/x - Step 3: Cross multiply
80,118.24x = 110,577.05 × 48,287.18 - Step 4: Simplify right side
80,118.24x = 5,339,453,122.90 - Step 5: Solve for x
x = 5,339,453,122.90/80,118.24 - Step 6: Final answer
x = 66,644.66
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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.