Finding the Fourth Proportional to 107,739.48, 161,682.96 and 37,618.80
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Solution
The fourth proportional to 107,739.48, 161,682.96 and 37,618.80 is: 56,453.95
Step by Step Solution
- Step 1: Write the proportion equation
107,739.48 : 161,682.96 = 37,618.80 : x - Step 2: Convert to fraction form
107,739.48/161,682.96 = 37,618.80/x - Step 3: Cross multiply
107,739.48x = 161,682.96 × 37,618.80 - Step 4: Simplify right side
107,739.48x = 6,082,318,935.65 - Step 5: Solve for x
x = 6,082,318,935.65/107,739.48 - Step 6: Final answer
x = 56,453.95
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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.