Finding the Fourth Proportional to 74,754.12, 112,132.26 and 18,594.12
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Solution
The fourth proportional to 74,754.12, 112,132.26 and 18,594.12 is: 27,891.45
Step by Step Solution
- Step 1: Write the proportion equation
74,754.12 : 112,132.26 = 18,594.12 : x - Step 2: Convert to fraction form
74,754.12/112,132.26 = 18,594.12/x - Step 3: Cross multiply
74,754.12x = 112,132.26 × 18,594.12 - Step 4: Simplify right side
74,754.12x = 2,085,000,698.31 - Step 5: Solve for x
x = 2,085,000,698.31/74,754.12 - Step 6: Final answer
x = 27,891.45
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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.