Finding the Fourth Proportional to 75,199.19, 112,794.63 and 25,274.13
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Solution
The fourth proportional to 75,199.19, 112,794.63 and 25,274.13 is: 37,909.80
Step by Step Solution
- Step 1: Write the proportion equation
75,199.19 : 112,794.63 = 25,274.13 : x - Step 2: Convert to fraction form
75,199.19/112,794.63 = 25,274.13/x - Step 3: Cross multiply
75,199.19x = 112,794.63 × 25,274.13 - Step 4: Simplify right side
75,199.19x = 2,850,786,141.92 - Step 5: Solve for x
x = 2,850,786,141.92/75,199.19 - Step 6: Final answer
x = 37,909.80
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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.