Finding the Fourth Proportional to 89,723.26, 134,585.97 and 38,425.02
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Solution
The fourth proportional to 89,723.26, 134,585.97 and 38,425.02 is: 57,637.99
Step by Step Solution
- Step 1: Write the proportion equation
89,723.26 : 134,585.97 = 38,425.02 : x - Step 2: Convert to fraction form
89,723.26/134,585.97 = 38,425.02/x - Step 3: Cross multiply
89,723.26x = 134,585.97 × 38,425.02 - Step 4: Simplify right side
89,723.26x = 5,171,468,588.97 - Step 5: Solve for x
x = 5,171,468,588.97/89,723.26 - Step 6: Final answer
x = 57,637.99
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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.