Finding the Fourth Proportional to 73,722.13, 110,583.19 and 18,318.13
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Solution
The fourth proportional to 73,722.13, 110,583.19 and 18,318.13 is: 27,477.19
Step by Step Solution
- Step 1: Write the proportion equation
73,722.13 : 110,583.19 = 18,318.13 : x - Step 2: Convert to fraction form
73,722.13/110,583.19 = 18,318.13/x - Step 3: Cross multiply
73,722.13x = 110,583.19 × 18,318.13 - Step 4: Simplify right side
73,722.13x = 2,025,677,250.23 - Step 5: Solve for x
x = 2,025,677,250.23/73,722.13 - Step 6: Final answer
x = 27,477.19
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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.