Finding the Fourth Proportional to 71,660.08, 107,490.24 and 27,276.64
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Solution
The fourth proportional to 71,660.08, 107,490.24 and 27,276.64 is: 40,915.01
Step by Step Solution
- Step 1: Write the proportion equation
71,660.08 : 107,490.24 = 27,276.64 : x - Step 2: Convert to fraction form
71,660.08/107,490.24 = 27,276.64/x - Step 3: Cross multiply
71,660.08x = 107,490.24 × 27,276.64 - Step 4: Simplify right side
71,660.08x = 2,931,972,579.99 - Step 5: Solve for x
x = 2,931,972,579.99/71,660.08 - Step 6: Final answer
x = 40,915.01
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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.