Finding the Fourth Proportional to 69,201.24, 103,635.42 and 39,529.08
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Solution
The fourth proportional to 69,201.24, 103,635.42 and 39,529.08 is: 59,198.55
Step by Step Solution
- Step 1: Write the proportion equation
69,201.24 : 103,635.42 = 39,529.08 : x - Step 2: Convert to fraction form
69,201.24/103,635.42 = 39,529.08/x - Step 3: Cross multiply
69,201.24x = 103,635.42 × 39,529.08 - Step 4: Simplify right side
69,201.24x = 4,096,612,808.01 - Step 5: Solve for x
x = 4,096,612,808.01/69,201.24 - Step 6: Final answer
x = 59,198.55
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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.