Finding the Fourth Proportional to 75,412.63, 113,118.84 and 19,252.74
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Solution
The fourth proportional to 75,412.63, 113,118.84 and 19,252.74 is: 28,879.08
Step by Step Solution
- Step 1: Write the proportion equation
75,412.63 : 113,118.84 = 19,252.74 : x - Step 2: Convert to fraction form
75,412.63/113,118.84 = 19,252.74/x - Step 3: Cross multiply
75,412.63x = 113,118.84 × 19,252.74 - Step 4: Simplify right side
75,412.63x = 2,177,847,615.62 - Step 5: Solve for x
x = 2,177,847,615.62/75,412.63 - Step 6: Final answer
x = 28,879.08
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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.