Finding the Fourth Proportional to 81,974.70, 122,947.88 and 22,810.68
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Solution
The fourth proportional to 81,974.70, 122,947.88 and 22,810.68 is: 34,212.08
Step by Step Solution
- Step 1: Write the proportion equation
81,974.70 : 122,947.88 = 22,810.68 : x - Step 2: Convert to fraction form
81,974.70/122,947.88 = 22,810.68/x - Step 3: Cross multiply
81,974.70x = 122,947.88 × 22,810.68 - Step 4: Simplify right side
81,974.70x = 2,804,524,633.31 - Step 5: Solve for x
x = 2,804,524,633.31/81,974.70 - Step 6: Final answer
x = 34,212.08
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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.