Finding the Fourth Proportional to 83,511.18, 125,272.62 and 33,591.54
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Solution
The fourth proportional to 83,511.18, 125,272.62 and 33,591.54 is: 50,389.66
Step by Step Solution
- Step 1: Write the proportion equation
83,511.18 : 125,272.62 = 33,591.54 : x - Step 2: Convert to fraction form
83,511.18/125,272.62 = 33,591.54/x - Step 3: Cross multiply
83,511.18x = 125,272.62 × 33,591.54 - Step 4: Simplify right side
83,511.18x = 4,208,100,225.63 - Step 5: Solve for x
x = 4,208,100,225.63/83,511.18 - Step 6: Final answer
x = 50,389.66
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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.