Finding the Fourth Proportional to 75,514.62, 113,479.50 and 70,577.31
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Solution
The fourth proportional to 75,514.62, 113,479.50 and 70,577.31 is: 106,059.96
Step by Step Solution
- Step 1: Write the proportion equation
75,514.62 : 113,479.50 = 70,577.31 : x - Step 2: Convert to fraction form
75,514.62/113,479.50 = 70,577.31/x - Step 3: Cross multiply
75,514.62x = 113,479.50 × 70,577.31 - Step 4: Simplify right side
75,514.62x = 8,009,077,850.15 - Step 5: Solve for x
x = 8,009,077,850.15/75,514.62 - Step 6: Final answer
x = 106,059.96
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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.