Finding the Fourth Proportional to 91,380.94, 126,099.84 and 51,098.02
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Solution
The fourth proportional to 91,380.94, 126,099.84 and 51,098.02 is: 70,511.99
Step by Step Solution
- Step 1: Write the proportion equation
91,380.94 : 126,099.84 = 51,098.02 : x - Step 2: Convert to fraction form
91,380.94/126,099.84 = 51,098.02/x - Step 3: Cross multiply
91,380.94x = 126,099.84 × 51,098.02 - Step 4: Simplify right side
91,380.94x = 6,443,452,146.32 - Step 5: Solve for x
x = 6,443,452,146.32/91,380.94 - Step 6: Final answer
x = 70,511.99
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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.