Finding the Fourth Proportional to 80,405.13, 110,962.68 and 44,592.75
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Solution
The fourth proportional to 80,405.13, 110,962.68 and 44,592.75 is: 61,539.99
Step by Step Solution
- Step 1: Write the proportion equation
80,405.13 : 110,962.68 = 44,592.75 : x - Step 2: Convert to fraction form
80,405.13/110,962.68 = 44,592.75/x - Step 3: Cross multiply
80,405.13x = 110,962.68 × 44,592.75 - Step 4: Simplify right side
80,405.13x = 4,948,131,048.57 - Step 5: Solve for x
x = 4,948,131,048.57/80,405.13 - Step 6: Final answer
x = 61,539.99
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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.