Finding the Fourth Proportional to 91,843.60, 137,764.92 and 32,681.44
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Solution
The fourth proportional to 91,843.60, 137,764.92 and 32,681.44 is: 49,021.99
Step by Step Solution
- Step 1: Write the proportion equation
91,843.60 : 137,764.92 = 32,681.44 : x - Step 2: Convert to fraction form
91,843.60/137,764.92 = 32,681.44/x - Step 3: Cross multiply
91,843.60x = 137,764.92 × 32,681.44 - Step 4: Simplify right side
91,843.60x = 4,502,355,967.08 - Step 5: Solve for x
x = 4,502,355,967.08/91,843.60 - Step 6: Final answer
x = 49,021.99
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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.