Finding the Fourth Proportional to 85,081.12, 127,621.68 and 22,750
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Solution
The fourth proportional to 85,081.12, 127,621.68 and 22,750 is: 34,125
Step by Step Solution
- Step 1: Write the proportion equation
85,081.12 : 127,621.68 = 22,750 : x - Step 2: Convert to fraction form
85,081.12/127,621.68 = 22,750/x - Step 3: Cross multiply
85,081.12x = 127,621.68 × 22,750 - Step 4: Simplify right side
85,081.12x = 2,903,393,220 - Step 5: Solve for x
x = 2,903,393,220/85,081.12 - Step 6: Final answer
x = 34,125
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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.