Finding the Fourth Proportional to 75,183.68, 112,785.89 and 25,267.65
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Solution
The fourth proportional to 75,183.68, 112,785.89 and 25,267.65 is: 37,904.95
Step by Step Solution
- Step 1: Write the proportion equation
75,183.68 : 112,785.89 = 25,267.65 : x - Step 2: Convert to fraction form
75,183.68/112,785.89 = 25,267.65/x - Step 3: Cross multiply
75,183.68x = 112,785.89 × 25,267.65 - Step 4: Simplify right side
75,183.68x = 2,849,833,891.55 - Step 5: Solve for x
x = 2,849,833,891.55/75,183.68 - Step 6: Final answer
x = 37,904.95
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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.