Finding the Fourth Proportional to 107,719.16, 161,600.01 and 31,818.99
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Solution
The fourth proportional to 107,719.16, 161,600.01 and 31,818.99 is: 47,734.77
Step by Step Solution
- Step 1: Write the proportion equation
107,719.16 : 161,600.01 = 31,818.99 : x - Step 2: Convert to fraction form
107,719.16/161,600.01 = 31,818.99/x - Step 3: Cross multiply
107,719.16x = 161,600.01 × 31,818.99 - Step 4: Simplify right side
107,719.16x = 5,141,948,858.85 - Step 5: Solve for x
x = 5,141,948,858.85/107,719.16 - Step 6: Final answer
x = 47,734.77
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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.