Finding the Fourth Proportional to 68,551.92, 102,866.76 and 29,104.92
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Solution
The fourth proportional to 68,551.92, 102,866.76 and 29,104.92 is: 43,673.89
Step by Step Solution
- Step 1: Write the proportion equation
68,551.92 : 102,866.76 = 29,104.92 : x - Step 2: Convert to fraction form
68,551.92/102,866.76 = 29,104.92/x - Step 3: Cross multiply
68,551.92x = 102,866.76 × 29,104.92 - Step 4: Simplify right side
68,551.92x = 2,993,928,820.46 - Step 5: Solve for x
x = 2,993,928,820.46/68,551.92 - Step 6: Final answer
x = 43,673.89
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1.5x scale
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.