Finding the Fourth Proportional to 71,363.34, 107,209.08 and 50,351.79
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Solution
The fourth proportional to 71,363.34, 107,209.08 and 50,351.79 is: 75,643.45
Step by Step Solution
- Step 1: Write the proportion equation
71,363.34 : 107,209.08 = 50,351.79 : x - Step 2: Convert to fraction form
71,363.34/107,209.08 = 50,351.79/x - Step 3: Cross multiply
71,363.34x = 107,209.08 × 50,351.79 - Step 4: Simplify right side
71,363.34x = 5,398,169,082.25 - Step 5: Solve for x
x = 5,398,169,082.25/71,363.34 - Step 6: Final answer
x = 75,643.45
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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.