Finding the Fourth Proportional to 71,708.78, 107,562.30 and 32,238.02
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Solution
The fourth proportional to 71,708.78, 107,562.30 and 32,238.02 is: 48,356.64
Step by Step Solution
- Step 1: Write the proportion equation
71,708.78 : 107,562.30 = 32,238.02 : x - Step 2: Convert to fraction form
71,708.78/107,562.30 = 32,238.02/x - Step 3: Cross multiply
71,708.78x = 107,562.30 × 32,238.02 - Step 4: Simplify right side
71,708.78x = 3,467,595,578.65 - Step 5: Solve for x
x = 3,467,595,578.65/71,708.78 - Step 6: Final answer
x = 48,356.64
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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.