Finding the Fourth Proportional to 106,594.72, 147,119.97 and 63,576.97
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Solution
The fourth proportional to 106,594.72, 147,119.97 and 63,576.97 is: 87,747.70
Step by Step Solution
- Step 1: Write the proportion equation
106,594.72 : 147,119.97 = 63,576.97 : x - Step 2: Convert to fraction form
106,594.72/147,119.97 = 63,576.97/x - Step 3: Cross multiply
106,594.72x = 147,119.97 × 63,576.97 - Step 4: Simplify right side
106,594.72x = 9,353,441,919.09 - Step 5: Solve for x
x = 9,353,441,919.09/106,594.72 - Step 6: Final answer
x = 87,747.70
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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.