Finding the Fourth Proportional to 80,735.68, 121,109.72 and 24,580.61
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Solution
The fourth proportional to 80,735.68, 121,109.72 and 24,580.61 is: 36,872.80
Step by Step Solution
- Step 1: Write the proportion equation
80,735.68 : 121,109.72 = 24,580.61 : x - Step 2: Convert to fraction form
80,735.68/121,109.72 = 24,580.61/x - Step 3: Cross multiply
80,735.68x = 121,109.72 × 24,580.61 - Step 4: Simplify right side
80,735.68x = 2,976,950,250.43 - Step 5: Solve for x
x = 2,976,950,250.43/80,735.68 - Step 6: Final answer
x = 36,872.80
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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.