Finding the Fourth Proportional to 68,410.24, 102,710.76 and 35,158.48
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Solution
The fourth proportional to 68,410.24, 102,710.76 and 35,158.48 is: 52,786.75
Step by Step Solution
- Step 1: Write the proportion equation
68,410.24 : 102,710.76 = 35,158.48 : x - Step 2: Convert to fraction form
68,410.24/102,710.76 = 35,158.48/x - Step 3: Cross multiply
68,410.24x = 102,710.76 × 35,158.48 - Step 4: Simplify right side
68,410.24x = 3,611,154,201.24 - Step 5: Solve for x
x = 3,611,154,201.24/68,410.24 - Step 6: Final answer
x = 52,786.75
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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.