Finding the Fourth Proportional to 97,115.26, 134,021.56 and 54,675.31
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Solution
The fourth proportional to 97,115.26, 134,021.56 and 54,675.31 is: 75,453.34
Step by Step Solution
- Step 1: Write the proportion equation
97,115.26 : 134,021.56 = 54,675.31 : x - Step 2: Convert to fraction form
97,115.26/134,021.56 = 54,675.31/x - Step 3: Cross multiply
97,115.26x = 134,021.56 × 54,675.31 - Step 4: Simplify right side
97,115.26x = 7,327,670,339.68 - Step 5: Solve for x
x = 7,327,670,339.68/97,115.26 - Step 6: Final answer
x = 75,453.34
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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.