Finding the Fourth Proportional to 74,739.83, 112,125.70 and 27,354.70
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Solution
The fourth proportional to 74,739.83, 112,125.70 and 27,354.70 is: 41,037.89
Step by Step Solution
- Step 1: Write the proportion equation
74,739.83 : 112,125.70 = 27,354.70 : x - Step 2: Convert to fraction form
74,739.83/112,125.70 = 27,354.70/x - Step 3: Cross multiply
74,739.83x = 112,125.70 × 27,354.70 - Step 4: Simplify right side
74,739.83x = 3,067,165,060.14 - Step 5: Solve for x
x = 3,067,165,060.14/74,739.83 - Step 6: Final answer
x = 41,037.89
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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.