Finding the Fourth Proportional to 86,566.80, 129,853.44 and 24,235.68
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Solution
The fourth proportional to 86,566.80, 129,853.44 and 24,235.68 is: 36,354.43
Step by Step Solution
- Step 1: Write the proportion equation
86,566.80 : 129,853.44 = 24,235.68 : x - Step 2: Convert to fraction form
86,566.80/129,853.44 = 24,235.68/x - Step 3: Cross multiply
86,566.80x = 129,853.44 × 24,235.68 - Step 4: Simplify right side
86,566.80x = 3,147,086,418.74 - Step 5: Solve for x
x = 3,147,086,418.74/86,566.80 - Step 6: Final answer
x = 36,354.43
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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.