Finding the Fourth Proportional to 107,785.10, 161,701.95 and 32,908.70
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Solution
The fourth proportional to 107,785.10, 161,701.95 and 32,908.70 is: 49,370.47
Step by Step Solution
- Step 1: Write the proportion equation
107,785.10 : 161,701.95 = 32,908.70 : x - Step 2: Convert to fraction form
107,785.10/161,701.95 = 32,908.70/x - Step 3: Cross multiply
107,785.10x = 161,701.95 × 32,908.70 - Step 4: Simplify right side
107,785.10x = 5,321,400,961.97 - Step 5: Solve for x
x = 5,321,400,961.97/107,785.10 - Step 6: Final answer
x = 49,370.47
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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.