Finding the Fourth Proportional to 71,935.62, 107,924.49 and 36,899.70
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Solution
The fourth proportional to 71,935.62, 107,924.49 and 36,899.70 is: 55,360.35
Step by Step Solution
- Step 1: Write the proportion equation
71,935.62 : 107,924.49 = 36,899.70 : x - Step 2: Convert to fraction form
71,935.62/107,924.49 = 36,899.70/x - Step 3: Cross multiply
71,935.62x = 107,924.49 × 36,899.70 - Step 4: Simplify right side
71,935.62x = 3,982,381,303.65 - Step 5: Solve for x
x = 3,982,381,303.65/71,935.62 - Step 6: Final answer
x = 55,360.35
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1.5x scale
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.