Finding the Fourth Proportional to 80,421.11, 110,972.18 and 44,602.15
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Solution
The fourth proportional to 80,421.11, 110,972.18 and 44,602.15 is: 61,546.00
Step by Step Solution
- Step 1: Write the proportion equation
80,421.11 : 110,972.18 = 44,602.15 : x - Step 2: Convert to fraction form
80,421.11/110,972.18 = 44,602.15/x - Step 3: Cross multiply
80,421.11x = 110,972.18 × 44,602.15 - Step 4: Simplify right side
80,421.11x = 4,949,597,652.26 - Step 5: Solve for x
x = 4,949,597,652.26/80,421.11 - Step 6: Final answer
x = 61,546.00
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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.