Finding the Fourth Proportional to 127,110.65, 175,414.95 and 69,752.79
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Solution
The fourth proportional to 127,110.65, 175,414.95 and 69,752.79 is: 96,260.09
Step by Step Solution
- Step 1: Write the proportion equation
127,110.65 : 175,414.95 = 69,752.79 : x - Step 2: Convert to fraction form
127,110.65/175,414.95 = 69,752.79/x - Step 3: Cross multiply
127,110.65x = 175,414.95 × 69,752.79 - Step 4: Simplify right side
127,110.65x = 12,235,682,170.21 - Step 5: Solve for x
x = 12,235,682,170.21/127,110.65 - Step 6: Final answer
x = 96,260.09
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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.