Finding the Fourth Proportional to 95,324.82, 142,988.34 and 28,765.53
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Solution
The fourth proportional to 95,324.82, 142,988.34 and 28,765.53 is: 43,148.63
Step by Step Solution
- Step 1: Write the proportion equation
95,324.82 : 142,988.34 = 28,765.53 : x - Step 2: Convert to fraction form
95,324.82/142,988.34 = 28,765.53/x - Step 3: Cross multiply
95,324.82x = 142,988.34 × 28,765.53 - Step 4: Simplify right side
95,324.82x = 4,113,135,329.98 - Step 5: Solve for x
x = 4,113,135,329.98/95,324.82 - Step 6: Final answer
x = 43,148.63
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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.