Finding the Fourth Proportional to 76,107.99, 114,129.84 and 22,807.55
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Solution
The fourth proportional to 76,107.99, 114,129.84 and 22,807.55 is: 34,201.69
Step by Step Solution
- Step 1: Write the proportion equation
76,107.99 : 114,129.84 = 22,807.55 : x - Step 2: Convert to fraction form
76,107.99/114,129.84 = 22,807.55/x - Step 3: Cross multiply
76,107.99x = 114,129.84 × 22,807.55 - Step 4: Simplify right side
76,107.99x = 2,603,022,032.29 - Step 5: Solve for x
x = 2,603,022,032.29/76,107.99 - Step 6: Final answer
x = 34,201.69
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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.