Finding the Fourth Proportional to 73,928.18, 110,880.11 and 20,623.80
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Solution
The fourth proportional to 73,928.18, 110,880.11 and 20,623.80 is: 30,932.31
Step by Step Solution
- Step 1: Write the proportion equation
73,928.18 : 110,880.11 = 20,623.80 : x - Step 2: Convert to fraction form
73,928.18/110,880.11 = 20,623.80/x - Step 3: Cross multiply
73,928.18x = 110,880.11 × 20,623.80 - Step 4: Simplify right side
73,928.18x = 2,286,769,264.18 - Step 5: Solve for x
x = 2,286,769,264.18/73,928.18 - Step 6: Final answer
x = 30,932.31
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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.