Finding the Fourth Proportional to 96,861.16, 145,291.74 and 34,487.92
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Solution
The fourth proportional to 96,861.16, 145,291.74 and 34,487.92 is: 51,731.88
Step by Step Solution
- Step 1: Write the proportion equation
96,861.16 : 145,291.74 = 34,487.92 : x - Step 2: Convert to fraction form
96,861.16/145,291.74 = 34,487.92/x - Step 3: Cross multiply
96,861.16x = 145,291.74 × 34,487.92 - Step 4: Simplify right side
96,861.16x = 5,010,809,905.78 - Step 5: Solve for x
x = 5,010,809,905.78/96,861.16 - Step 6: Final answer
x = 51,731.88
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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.