Finding the Fourth Proportional to 83,437.05, 125,105.11 and 32,775.43
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Solution
The fourth proportional to 83,437.05, 125,105.11 and 32,775.43 is: 49,143.32
Step by Step Solution
- Step 1: Write the proportion equation
83,437.05 : 125,105.11 = 32,775.43 : x - Step 2: Convert to fraction form
83,437.05/125,105.11 = 32,775.43/x - Step 3: Cross multiply
83,437.05x = 125,105.11 × 32,775.43 - Step 4: Simplify right side
83,437.05x = 4,100,373,775.45 - Step 5: Solve for x
x = 4,100,373,775.45/83,437.05 - Step 6: Final answer
x = 49,143.32
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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.