Finding the Fourth Proportional to 73,935.84, 110,915.28 and 44,346.72
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Solution
The fourth proportional to 73,935.84, 110,915.28 and 44,346.72 is: 66,526.99
Step by Step Solution
- Step 1: Write the proportion equation
73,935.84 : 110,915.28 = 44,346.72 : x - Step 2: Convert to fraction form
73,935.84/110,915.28 = 44,346.72/x - Step 3: Cross multiply
73,935.84x = 110,915.28 × 44,346.72 - Step 4: Simplify right side
73,935.84x = 4,918,728,865.88 - Step 5: Solve for x
x = 4,918,728,865.88/73,935.84 - Step 6: Final answer
x = 66,526.99
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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.