Finding the Fourth Proportional to 80,276.13, 120,383.10 and 24,102.99
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Solution
The fourth proportional to 80,276.13, 120,383.10 and 24,102.99 is: 36,145.15
Step by Step Solution
- Step 1: Write the proportion equation
80,276.13 : 120,383.10 = 24,102.99 : x - Step 2: Convert to fraction form
80,276.13/120,383.10 = 24,102.99/x - Step 3: Cross multiply
80,276.13x = 120,383.10 × 24,102.99 - Step 4: Simplify right side
80,276.13x = 2,901,592,655.47 - Step 5: Solve for x
x = 2,901,592,655.47/80,276.13 - Step 6: Final answer
x = 36,145.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.