Finding the Fourth Proportional to 80,784.52, 121,195.21 and 24,629.65
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Solution
The fourth proportional to 80,784.52, 121,195.21 and 24,629.65 is: 36,950.09
Step by Step Solution
- Step 1: Write the proportion equation
80,784.52 : 121,195.21 = 24,629.65 : x - Step 2: Convert to fraction form
80,784.52/121,195.21 = 24,629.65/x - Step 3: Cross multiply
80,784.52x = 121,195.21 × 24,629.65 - Step 4: Simplify right side
80,784.52x = 2,984,995,542.40 - Step 5: Solve for x
x = 2,984,995,542.40/80,784.52 - Step 6: Final answer
x = 36,950.09
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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.