Finding the Fourth Proportional to 83,853.65, 125,781.36 and 24,690.44
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Solution
The fourth proportional to 83,853.65, 125,781.36 and 24,690.44 is: 37,035.92
Step by Step Solution
- Step 1: Write the proportion equation
83,853.65 : 125,781.36 = 24,690.44 : x - Step 2: Convert to fraction form
83,853.65/125,781.36 = 24,690.44/x - Step 3: Cross multiply
83,853.65x = 125,781.36 × 24,690.44 - Step 4: Simplify right side
83,853.65x = 3,105,597,436.65 - Step 5: Solve for x
x = 3,105,597,436.65/83,853.65 - Step 6: Final answer
x = 37,035.92
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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.