Finding the Fourth Proportional to 97,343.69, 134,334.11 and 54,902.09
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Solution
The fourth proportional to 97,343.69, 134,334.11 and 54,902.09 is: 75,764.78
Step by Step Solution
- Step 1: Write the proportion equation
97,343.69 : 134,334.11 = 54,902.09 : x - Step 2: Convert to fraction form
97,343.69/134,334.11 = 54,902.09/x - Step 3: Cross multiply
97,343.69x = 134,334.11 × 54,902.09 - Step 4: Simplify right side
97,343.69x = 7,375,223,122.78 - Step 5: Solve for x
x = 7,375,223,122.78/97,343.69 - Step 6: Final answer
x = 75,764.78
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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.