Finding the Fourth Proportional to 73,918.44, 110,921.40 and 27,204.12
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Solution
The fourth proportional to 73,918.44, 110,921.40 and 27,204.12 is: 40,822.28
Step by Step Solution
- Step 1: Write the proportion equation
73,918.44 : 110,921.40 = 27,204.12 : x - Step 2: Convert to fraction form
73,918.44/110,921.40 = 27,204.12/x - Step 3: Cross multiply
73,918.44x = 110,921.40 × 27,204.12 - Step 4: Simplify right side
73,918.44x = 3,017,519,076.17 - Step 5: Solve for x
x = 3,017,519,076.17/73,918.44 - Step 6: Final answer
x = 40,822.28
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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.