Finding the Fourth Proportional to 83,433.74, 125,135.49 and 33,511.82
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Solution
The fourth proportional to 83,433.74, 125,135.49 and 33,511.82 is: 50,261.66
Step by Step Solution
- Step 1: Write the proportion equation
83,433.74 : 125,135.49 = 33,511.82 : x - Step 2: Convert to fraction form
83,433.74/125,135.49 = 33,511.82/x - Step 3: Cross multiply
83,433.74x = 125,135.49 × 33,511.82 - Step 4: Simplify right side
83,433.74x = 4,193,518,016.49 - Step 5: Solve for x
x = 4,193,518,016.49/83,433.74 - Step 6: Final answer
x = 50,261.66
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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.