Finding the Fourth Proportional to 75,197.25, 112,720.82 and 37,642.68
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Solution
The fourth proportional to 75,197.25, 112,720.82 and 37,642.68 is: 56,426.45
Step by Step Solution
- Step 1: Write the proportion equation
75,197.25 : 112,720.82 = 37,642.68 : x - Step 2: Convert to fraction form
75,197.25/112,720.82 = 37,642.68/x - Step 3: Cross multiply
75,197.25x = 112,720.82 × 37,642.68 - Step 4: Simplify right side
75,197.25x = 4,243,113,568.38 - Step 5: Solve for x
x = 4,243,113,568.38/75,197.25 - Step 6: Final answer
x = 56,426.45
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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.