Finding the Fourth Proportional to 81,623.46, 122,472.87 and 37,263.81
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Solution
The fourth proportional to 81,623.46, 122,472.87 and 37,263.81 is: 55,912.92
Step by Step Solution
- Step 1: Write the proportion equation
81,623.46 : 122,472.87 = 37,263.81 : x - Step 2: Convert to fraction form
81,623.46/122,472.87 = 37,263.81/x - Step 3: Cross multiply
81,623.46x = 122,472.87 × 37,263.81 - Step 4: Simplify right side
81,623.46x = 4,563,805,757.83 - Step 5: Solve for x
x = 4,563,805,757.83/81,623.46 - Step 6: Final answer
x = 55,912.92
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1.5x scale
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.