Finding the Fourth Proportional to 80,437.14, 120,655.74 and 27,817.92
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Solution
The fourth proportional to 80,437.14, 120,655.74 and 27,817.92 is: 41,726.89
Step by Step Solution
- Step 1: Write the proportion equation
80,437.14 : 120,655.74 = 27,817.92 : x - Step 2: Convert to fraction form
80,437.14/120,655.74 = 27,817.92/x - Step 3: Cross multiply
80,437.14x = 120,655.74 × 27,817.92 - Step 4: Simplify right side
80,437.14x = 3,356,391,722.86 - Step 5: Solve for x
x = 3,356,391,722.86/80,437.14 - Step 6: Final answer
x = 41,726.89
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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.