Finding the Fourth Proportional to 80,495.26, 120,763.27 and 56,848.99
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Solution
The fourth proportional to 80,495.26, 120,763.27 and 56,848.99 is: 85,287.88
Step by Step Solution
- Step 1: Write the proportion equation
80,495.26 : 120,763.27 = 56,848.99 : x - Step 2: Convert to fraction form
80,495.26/120,763.27 = 56,848.99/x - Step 3: Cross multiply
80,495.26x = 120,763.27 × 56,848.99 - Step 4: Simplify right side
80,495.26x = 6,865,269,928.60 - Step 5: Solve for x
x = 6,865,269,928.60/80,495.26 - Step 6: Final answer
x = 85,287.88
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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.