Finding the Fourth Proportional to 107,785.14, 161,677.74 and 32,905.74
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Solution
The fourth proportional to 107,785.14, 161,677.74 and 32,905.74 is: 49,358.62
Step by Step Solution
- Step 1: Write the proportion equation
107,785.14 : 161,677.74 = 32,905.74 : x - Step 2: Convert to fraction form
107,785.14/161,677.74 = 32,905.74/x - Step 3: Cross multiply
107,785.14x = 161,677.74 × 32,905.74 - Step 4: Simplify right side
107,785.14x = 5,320,125,676.23 - Step 5: Solve for x
x = 5,320,125,676.23/107,785.14 - Step 6: Final answer
x = 49,358.62
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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.