Finding the Fourth Proportional to 71,438.52, 107,054.10 and 40,207.08
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Solution
The fourth proportional to 71,438.52, 107,054.10 and 40,207.08 is: 60,252.27
Step by Step Solution
- Step 1: Write the proportion equation
71,438.52 : 107,054.10 = 40,207.08 : x - Step 2: Convert to fraction form
71,438.52/107,054.10 = 40,207.08/x - Step 3: Cross multiply
71,438.52x = 107,054.10 × 40,207.08 - Step 4: Simplify right side
71,438.52x = 4,304,332,763.03 - Step 5: Solve for x
x = 4,304,332,763.03/71,438.52 - Step 6: Final answer
x = 60,252.27
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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.