Finding the Fourth Proportional to 81,426.54, 122,135.49 and 26,022.54
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Solution
The fourth proportional to 81,426.54, 122,135.49 and 26,022.54 is: 39,032.43
Step by Step Solution
- Step 1: Write the proportion equation
81,426.54 : 122,135.49 = 26,022.54 : x - Step 2: Convert to fraction form
81,426.54/122,135.49 = 26,022.54/x - Step 3: Cross multiply
81,426.54x = 122,135.49 × 26,022.54 - Step 4: Simplify right side
81,426.54x = 3,178,275,673.94 - Step 5: Solve for x
x = 3,178,275,673.94/81,426.54 - Step 6: Final answer
x = 39,032.43
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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.