Finding the Fourth Proportional to 96,874.38, 145,310.64 and 57,403.08
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Solution
The fourth proportional to 96,874.38, 145,310.64 and 57,403.08 is: 86,104.07
Step by Step Solution
- Step 1: Write the proportion equation
96,874.38 : 145,310.64 = 57,403.08 : x - Step 2: Convert to fraction form
96,874.38/145,310.64 = 57,403.08/x - Step 3: Cross multiply
96,874.38x = 145,310.64 × 57,403.08 - Step 4: Simplify right side
96,874.38x = 8,341,278,292.77 - Step 5: Solve for x
x = 8,341,278,292.77/96,874.38 - Step 6: Final answer
x = 86,104.07
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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.