Finding the Fourth Proportional to 83,956.24, 115,855.08 and 48,147.76
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Solution
The fourth proportional to 83,956.24, 115,855.08 and 48,147.76 is: 66,441.31
Step by Step Solution
- Step 1: Write the proportion equation
83,956.24 : 115,855.08 = 48,147.76 : x - Step 2: Convert to fraction form
83,956.24/115,855.08 = 48,147.76/x - Step 3: Cross multiply
83,956.24x = 115,855.08 × 48,147.76 - Step 4: Simplify right side
83,956.24x = 5,578,162,586.62 - Step 5: Solve for x
x = 5,578,162,586.62/83,956.24 - Step 6: Final answer
x = 66,441.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.