Finding the Fourth Proportional to 80,786.68, 121,204.72 and 41,371.68
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Solution
The fourth proportional to 80,786.68, 121,204.72 and 41,371.68 is: 62,070.17
Step by Step Solution
- Step 1: Write the proportion equation
80,786.68 : 121,204.72 = 41,371.68 : x - Step 2: Convert to fraction form
80,786.68/121,204.72 = 41,371.68/x - Step 3: Cross multiply
80,786.68x = 121,204.72 × 41,371.68 - Step 4: Simplify right side
80,786.68x = 5,014,442,890.33 - Step 5: Solve for x
x = 5,014,442,890.33/80,786.68 - Step 6: Final answer
x = 62,070.17
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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.