Finding the Fourth Proportional to 75,453.68, 104,132.28 and 48,651.98
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Solution
The fourth proportional to 75,453.68, 104,132.28 and 48,651.98 is: 67,143.73
Step by Step Solution
- Step 1: Write the proportion equation
75,453.68 : 104,132.28 = 48,651.98 : x - Step 2: Convert to fraction form
75,453.68/104,132.28 = 48,651.98/x - Step 3: Cross multiply
75,453.68x = 104,132.28 × 48,651.98 - Step 4: Simplify right side
75,453.68x = 5,066,241,603.91 - Step 5: Solve for x
x = 5,066,241,603.91/75,453.68 - Step 6: Final answer
x = 67,143.73
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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.