Finding the Fourth Proportional to 97,138.44, 134,057.97 and 54,121.50
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Solution
The fourth proportional to 97,138.44, 134,057.97 and 54,121.50 is: 74,691.53
Step by Step Solution
- Step 1: Write the proportion equation
97,138.44 : 134,057.97 = 54,121.50 : x - Step 2: Convert to fraction form
97,138.44/134,057.97 = 54,121.50/x - Step 3: Cross multiply
97,138.44x = 134,057.97 × 54,121.50 - Step 4: Simplify right side
97,138.44x = 7,255,418,423.36 - Step 5: Solve for x
x = 7,255,418,423.36/97,138.44 - Step 6: Final answer
x = 74,691.53
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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.