Finding the Fourth Proportional to 95,976.50, 132,420.98 and 61,986.42
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Solution
The fourth proportional to 95,976.50, 132,420.98 and 61,986.42 is: 85,524.09
Step by Step Solution
- Step 1: Write the proportion equation
95,976.50 : 132,420.98 = 61,986.42 : x - Step 2: Convert to fraction form
95,976.50/132,420.98 = 61,986.42/x - Step 3: Cross multiply
95,976.50x = 132,420.98 × 61,986.42 - Step 4: Simplify right side
95,976.50x = 8,208,302,483.09 - Step 5: Solve for x
x = 8,208,302,483.09/95,976.50 - Step 6: Final answer
x = 85,524.09
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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.