Finding the Fourth Proportional to 80,853.04, 121,235.82 and 27,529.12
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Solution
The fourth proportional to 80,853.04, 121,235.82 and 27,529.12 is: 41,278.79
Step by Step Solution
- Step 1: Write the proportion equation
80,853.04 : 121,235.82 = 27,529.12 : x - Step 2: Convert to fraction form
80,853.04/121,235.82 = 27,529.12/x - Step 3: Cross multiply
80,853.04x = 121,235.82 × 27,529.12 - Step 4: Simplify right side
80,853.04x = 3,337,515,437.08 - Step 5: Solve for x
x = 3,337,515,437.08/80,853.04 - Step 6: Final answer
x = 41,278.79
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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.