Finding the Fourth Proportional to 89,827.26, 134,747.75 and 52,391.08
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Solution
The fourth proportional to 89,827.26, 134,747.75 and 52,391.08 is: 78,590.62
Step by Step Solution
- Step 1: Write the proportion equation
89,827.26 : 134,747.75 = 52,391.08 : x - Step 2: Convert to fraction form
89,827.26/134,747.75 = 52,391.08/x - Step 3: Cross multiply
89,827.26x = 134,747.75 × 52,391.08 - Step 4: Simplify right side
89,827.26x = 7,059,580,150.07 - Step 5: Solve for x
x = 7,059,580,150.07/89,827.26 - Step 6: Final answer
x = 78,590.62
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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.