Finding the Fourth Proportional to 80,535.84, 120,821.28 and 24,374.88
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Solution
The fourth proportional to 80,535.84, 120,821.28 and 24,374.88 is: 36,567.62
Step by Step Solution
- Step 1: Write the proportion equation
80,535.84 : 120,821.28 = 24,374.88 : x - Step 2: Convert to fraction form
80,535.84/120,821.28 = 24,374.88/x - Step 3: Cross multiply
80,535.84x = 120,821.28 × 24,374.88 - Step 4: Simplify right side
80,535.84x = 2,945,004,201.45 - Step 5: Solve for x
x = 2,945,004,201.45/80,535.84 - Step 6: Final answer
x = 36,567.62
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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.