Finding the Fourth Proportional to 106,318.62, 159,576.75 and 53,765.82
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Solution
The fourth proportional to 106,318.62, 159,576.75 and 53,765.82 is: 80,698.70
Step by Step Solution
- Step 1: Write the proportion equation
106,318.62 : 159,576.75 = 53,765.82 : x - Step 2: Convert to fraction form
106,318.62/159,576.75 = 53,765.82/x - Step 3: Cross multiply
106,318.62x = 159,576.75 × 53,765.82 - Step 4: Simplify right side
106,318.62x = 8,579,774,816.69 - Step 5: Solve for x
x = 8,579,774,816.69/106,318.62 - Step 6: Final answer
x = 80,698.70
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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.