Finding the Fourth Proportional to 84,044.53, 126,081.78 and 27,888.01
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Solution
The fourth proportional to 84,044.53, 126,081.78 and 27,888.01 is: 41,836.99
Step by Step Solution
- Step 1: Write the proportion equation
84,044.53 : 126,081.78 = 27,888.01 : x - Step 2: Convert to fraction form
84,044.53/126,081.78 = 27,888.01/x - Step 3: Cross multiply
84,044.53x = 126,081.78 × 27,888.01 - Step 4: Simplify right side
84,044.53x = 3,516,169,941.46 - Step 5: Solve for x
x = 3,516,169,941.46/84,044.53 - Step 6: Final answer
x = 41,836.99
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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.