Finding the Fourth Proportional to 112,905.75, 169,349.97 and 41,794.99
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Solution
The fourth proportional to 112,905.75, 169,349.97 and 41,794.99 is: 62,689.28
Step by Step Solution
- Step 1: Write the proportion equation
112,905.75 : 169,349.97 = 41,794.99 : x - Step 2: Convert to fraction form
112,905.75/169,349.97 = 41,794.99/x - Step 3: Cross multiply
112,905.75x = 169,349.97 × 41,794.99 - Step 4: Simplify right side
112,905.75x = 7,077,979,683.36 - Step 5: Solve for x
x = 7,077,979,683.36/112,905.75 - Step 6: Final answer
x = 62,689.28
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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.