Finding the Fourth Proportional to 68,881.20, 103,282.97 and 23,881.44
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Solution
The fourth proportional to 68,881.20, 103,282.97 and 23,881.44 is: 35,808.70
Step by Step Solution
- Step 1: Write the proportion equation
68,881.20 : 103,282.97 = 23,881.44 : x - Step 2: Convert to fraction form
68,881.20/103,282.97 = 23,881.44/x - Step 3: Cross multiply
68,881.20x = 103,282.97 × 23,881.44 - Step 4: Simplify right side
68,881.20x = 2,466,546,318.98 - Step 5: Solve for x
x = 2,466,546,318.98/68,881.20 - Step 6: Final answer
x = 35,808.70
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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.