Finding the Fourth Proportional to 126,029.04, 173,920.68 and 69,440.28
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Solution
The fourth proportional to 126,029.04, 173,920.68 and 69,440.28 is: 95,827.92
Step by Step Solution
- Step 1: Write the proportion equation
126,029.04 : 173,920.68 = 69,440.28 : x - Step 2: Convert to fraction form
126,029.04/173,920.68 = 69,440.28/x - Step 3: Cross multiply
126,029.04x = 173,920.68 × 69,440.28 - Step 4: Simplify right side
126,029.04x = 12,077,100,716.99 - Step 5: Solve for x
x = 12,077,100,716.99/126,029.04 - Step 6: Final answer
x = 95,827.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.