Finding the Fourth Proportional to 89,722.26, 134,584.47 and 38,424.02
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Solution
The fourth proportional to 89,722.26, 134,584.47 and 38,424.02 is: 57,636.49
Step by Step Solution
- Step 1: Write the proportion equation
89,722.26 : 134,584.47 = 38,424.02 : x - Step 2: Convert to fraction form
89,722.26/134,584.47 = 38,424.02/x - Step 3: Cross multiply
89,722.26x = 134,584.47 × 38,424.02 - Step 4: Simplify right side
89,722.26x = 5,171,275,694.05 - Step 5: Solve for x
x = 5,171,275,694.05/89,722.26 - Step 6: Final answer
x = 57,636.49
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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.