Finding the Fourth Proportional to 97,189.43, 134,121.29 and 54,748.26
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Solution
The fourth proportional to 97,189.43, 134,121.29 and 54,748.26 is: 75,552.53
Step by Step Solution
- Step 1: Write the proportion equation
97,189.43 : 134,121.29 = 54,748.26 : x - Step 2: Convert to fraction form
97,189.43/134,121.29 = 54,748.26/x - Step 3: Cross multiply
97,189.43x = 134,121.29 × 54,748.26 - Step 4: Simplify right side
97,189.43x = 7,342,906,982.71 - Step 5: Solve for x
x = 7,342,906,982.71/97,189.43 - Step 6: Final answer
x = 75,552.53
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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.