Finding the Fourth Proportional to 81,954.24, 122,952.50 and 44,504.70
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Solution
The fourth proportional to 81,954.24, 122,952.50 and 44,504.70 is: 66,768.53
Step by Step Solution
- Step 1: Write the proportion equation
81,954.24 : 122,952.50 = 44,504.70 : x - Step 2: Convert to fraction form
81,954.24/122,952.50 = 44,504.70/x - Step 3: Cross multiply
81,954.24x = 122,952.50 × 44,504.70 - Step 4: Simplify right side
81,954.24x = 5,471,964,126.75 - Step 5: Solve for x
x = 5,471,964,126.75/81,954.24 - Step 6: Final answer
x = 66,768.53
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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.