Finding the Fourth Proportional to 66,787.08, 100,189.98 and 27,349.80
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Solution
The fourth proportional to 66,787.08, 100,189.98 and 27,349.80 is: 41,028.53
Step by Step Solution
- Step 1: Write the proportion equation
66,787.08 : 100,189.98 = 27,349.80 : x - Step 2: Convert to fraction form
66,787.08/100,189.98 = 27,349.80/x - Step 3: Cross multiply
66,787.08x = 100,189.98 × 27,349.80 - Step 4: Simplify right side
66,787.08x = 2,740,175,915.00 - Step 5: Solve for x
x = 2,740,175,915.00/66,787.08 - Step 6: Final answer
x = 41,028.53
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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.