Finding the Fourth Proportional to 80,965.63, 121,452.09 and 24,801.65
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Solution
The fourth proportional to 80,965.63, 121,452.09 and 24,801.65 is: 37,203.59
Step by Step Solution
- Step 1: Write the proportion equation
80,965.63 : 121,452.09 = 24,801.65 : x - Step 2: Convert to fraction form
80,965.63/121,452.09 = 24,801.65/x - Step 3: Cross multiply
80,965.63x = 121,452.09 × 24,801.65 - Step 4: Simplify right side
80,965.63x = 3,012,211,620.69 - Step 5: Solve for x
x = 3,012,211,620.69/80,965.63 - Step 6: Final answer
x = 37,203.59
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1.5x scale
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.