Finding the Fourth Proportional to 107,828.58, 161,771.99 and 32,946.68
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Solution
The fourth proportional to 107,828.58, 161,771.99 and 32,946.68 is: 49,428.92
Step by Step Solution
- Step 1: Write the proportion equation
107,828.58 : 161,771.99 = 32,946.68 : x - Step 2: Convert to fraction form
107,828.58/161,771.99 = 32,946.68/x - Step 3: Cross multiply
107,828.58x = 161,771.99 × 32,946.68 - Step 4: Simplify right side
107,828.58x = 5,329,849,987.49 - Step 5: Solve for x
x = 5,329,849,987.49/107,828.58 - Step 6: Final answer
x = 49,428.92
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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.