Finding the Fourth Proportional to 76,525.92, 114,797.64 and 20,368.44
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Solution
The fourth proportional to 76,525.92, 114,797.64 and 20,368.44 is: 30,554.99
Step by Step Solution
- Step 1: Write the proportion equation
76,525.92 : 114,797.64 = 20,368.44 : x - Step 2: Convert to fraction form
76,525.92/114,797.64 = 20,368.44/x - Step 3: Cross multiply
76,525.92x = 114,797.64 × 20,368.44 - Step 4: Simplify right side
76,525.92x = 2,338,248,842.48 - Step 5: Solve for x
x = 2,338,248,842.48/76,525.92 - Step 6: Final answer
x = 30,554.99
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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.