Finding the Fourth Proportional to 75,642.07, 113,475.42 and 22,339.44
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Solution
The fourth proportional to 75,642.07, 113,475.42 and 22,339.44 is: 33,512.80
Step by Step Solution
- Step 1: Write the proportion equation
75,642.07 : 113,475.42 = 22,339.44 : x - Step 2: Convert to fraction form
75,642.07/113,475.42 = 22,339.44/x - Step 3: Cross multiply
75,642.07x = 113,475.42 × 22,339.44 - Step 4: Simplify right side
75,642.07x = 2,534,977,336.56 - Step 5: Solve for x
x = 2,534,977,336.56/75,642.07 - Step 6: Final answer
x = 33,512.80
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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.