Finding the Fourth Proportional to 80,917.09, 121,390.22 and 24,756.14
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Solution
The fourth proportional to 80,917.09, 121,390.22 and 24,756.14 is: 37,138.68
Step by Step Solution
- Step 1: Write the proportion equation
80,917.09 : 121,390.22 = 24,756.14 : x - Step 2: Convert to fraction form
80,917.09/121,390.22 = 24,756.14/x - Step 3: Cross multiply
80,917.09x = 121,390.22 × 24,756.14 - Step 4: Simplify right side
80,917.09x = 3,005,153,460.65 - Step 5: Solve for x
x = 3,005,153,460.65/80,917.09 - Step 6: Final answer
x = 37,138.68
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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.