Finding the Fourth Proportional to 75,577.12, 113,371.12 and 22,986.42
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Solution
The fourth proportional to 75,577.12, 113,371.12 and 22,986.42 is: 34,481.28
Step by Step Solution
- Step 1: Write the proportion equation
75,577.12 : 113,371.12 = 22,986.42 : x - Step 2: Convert to fraction form
75,577.12/113,371.12 = 22,986.42/x - Step 3: Cross multiply
75,577.12x = 113,371.12 × 22,986.42 - Step 4: Simplify right side
75,577.12x = 2,605,996,180.19 - Step 5: Solve for x
x = 2,605,996,180.19/75,577.12 - Step 6: Final answer
x = 34,481.28
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1.5x scale
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.