Finding the Fourth Proportional to 103,739.98, 155,554.28 and 32,649.32
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Solution
The fourth proportional to 103,739.98, 155,554.28 and 32,649.32 is: 48,956.45
Step by Step Solution
- Step 1: Write the proportion equation
103,739.98 : 155,554.28 = 32,649.32 : x - Step 2: Convert to fraction form
103,739.98/155,554.28 = 32,649.32/x - Step 3: Cross multiply
103,739.98x = 155,554.28 × 32,649.32 - Step 4: Simplify right side
103,739.98x = 5,078,741,465.09 - Step 5: Solve for x
x = 5,078,741,465.09/103,739.98 - Step 6: Final answer
x = 48,956.45
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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.