Finding the Fourth Proportional to 112,682.19, 168,912.09 and 62,785.77
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Solution
The fourth proportional to 112,682.19, 168,912.09 and 62,785.77 is: 94,116.70
Step by Step Solution
- Step 1: Write the proportion equation
112,682.19 : 168,912.09 = 62,785.77 : x - Step 2: Convert to fraction form
112,682.19/168,912.09 = 62,785.77/x - Step 3: Cross multiply
112,682.19x = 168,912.09 × 62,785.77 - Step 4: Simplify right side
112,682.19x = 10,605,275,632.96 - Step 5: Solve for x
x = 10,605,275,632.96/112,682.19 - Step 6: Final answer
x = 94,116.70
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1.5x scale
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.