Finding the Fourth Proportional to 86,133.41, 129,226.39 and 44,043.06
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Solution
The fourth proportional to 86,133.41, 129,226.39 and 44,043.06 is: 66,078.02
Step by Step Solution
- Step 1: Write the proportion equation
86,133.41 : 129,226.39 = 44,043.06 : x - Step 2: Convert to fraction form
86,133.41/129,226.39 = 44,043.06/x - Step 3: Cross multiply
86,133.41x = 129,226.39 × 44,043.06 - Step 4: Simplify right side
86,133.41x = 5,691,525,295.95 - Step 5: Solve for x
x = 5,691,525,295.95/86,133.41 - Step 6: Final answer
x = 66,078.02
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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.