Finding the Fourth Proportional to 76,820.12, 115,151.00 and 29,422.28
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Solution
The fourth proportional to 76,820.12, 115,151.00 and 29,422.28 is: 44,103.09
Step by Step Solution
- Step 1: Write the proportion equation
76,820.12 : 115,151.00 = 29,422.28 : x - Step 2: Convert to fraction form
76,820.12/115,151.00 = 29,422.28/x - Step 3: Cross multiply
76,820.12x = 115,151.00 × 29,422.28 - Step 4: Simplify right side
76,820.12x = 3,388,004,241.41 - Step 5: Solve for x
x = 3,388,004,241.41/76,820.12 - Step 6: Final answer
x = 44,103.09
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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.