Finding the Fourth Proportional to 80,642.06, 120,984.96 and 24,483.99
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Solution
The fourth proportional to 80,642.06, 120,984.96 and 24,483.99 is: 36,732.63
Step by Step Solution
- Step 1: Write the proportion equation
80,642.06 : 120,984.96 = 24,483.99 : x - Step 2: Convert to fraction form
80,642.06/120,984.96 = 24,483.99/x - Step 3: Cross multiply
80,642.06x = 120,984.96 × 24,483.99 - Step 4: Simplify right side
80,642.06x = 2,962,194,550.79 - Step 5: Solve for x
x = 2,962,194,550.79/80,642.06 - Step 6: Final answer
x = 36,732.63
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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.