Finding the Fourth Proportional to 75,238.14, 112,871.95 and 27,853.62
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Solution
The fourth proportional to 75,238.14, 112,871.95 and 27,853.62 is: 41,785.89
Step by Step Solution
- Step 1: Write the proportion equation
75,238.14 : 112,871.95 = 27,853.62 : x - Step 2: Convert to fraction form
75,238.14/112,871.95 = 27,853.62/x - Step 3: Cross multiply
75,238.14x = 112,871.95 × 27,853.62 - Step 4: Simplify right side
75,238.14x = 3,143,892,473.59 - Step 5: Solve for x
x = 3,143,892,473.59/75,238.14 - Step 6: Final answer
x = 41,785.89
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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.