Finding the Fourth Proportional to 73,809.13, 110,731.27 and 23,889.23
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Solution
The fourth proportional to 73,809.13, 110,731.27 and 23,889.23 is: 35,839.53
Step by Step Solution
- Step 1: Write the proportion equation
73,809.13 : 110,731.27 = 23,889.23 : x - Step 2: Convert to fraction form
73,809.13/110,731.27 = 23,889.23/x - Step 3: Cross multiply
73,809.13x = 110,731.27 × 23,889.23 - Step 4: Simplify right side
73,809.13x = 2,645,284,777.22 - Step 5: Solve for x
x = 2,645,284,777.22/73,809.13 - Step 6: Final answer
x = 35,839.53
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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.