Finding the Fourth Proportional to 96,803.40, 145,010.70 and 55,201.80
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Solution
The fourth proportional to 96,803.40, 145,010.70 and 55,201.80 is: 82,691.84
Step by Step Solution
- Step 1: Write the proportion equation
96,803.40 : 145,010.70 = 55,201.80 : x - Step 2: Convert to fraction form
96,803.40/145,010.70 = 55,201.80/x - Step 3: Cross multiply
96,803.40x = 145,010.70 × 55,201.80 - Step 4: Simplify right side
96,803.40x = 8,004,851,659.26 - Step 5: Solve for x
x = 8,004,851,659.26/96,803.40 - Step 6: Final answer
x = 82,691.84
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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.