Finding the Fourth Proportional to 107,958.42, 161,958.38 and 41,393.36
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Solution
The fourth proportional to 107,958.42, 161,958.38 and 41,393.36 is: 62,097.99
Step by Step Solution
- Step 1: Write the proportion equation
107,958.42 : 161,958.38 = 41,393.36 : x - Step 2: Convert to fraction form
107,958.42/161,958.38 = 41,393.36/x - Step 3: Cross multiply
107,958.42x = 161,958.38 × 41,393.36 - Step 4: Simplify right side
107,958.42x = 6,704,000,822.05 - Step 5: Solve for x
x = 6,704,000,822.05/107,958.42 - Step 6: Final answer
x = 62,097.99
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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.