Finding the Fourth Proportional to 81,650.80, 122,525.28 and 34,903.68
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Solution
The fourth proportional to 81,650.80, 122,525.28 and 34,903.68 is: 52,376.50
Step by Step Solution
- Step 1: Write the proportion equation
81,650.80 : 122,525.28 = 34,903.68 : x - Step 2: Convert to fraction form
81,650.80/122,525.28 = 34,903.68/x - Step 3: Cross multiply
81,650.80x = 122,525.28 × 34,903.68 - Step 4: Simplify right side
81,650.80x = 4,276,583,165.03 - Step 5: Solve for x
x = 4,276,583,165.03/81,650.80 - Step 6: Final answer
x = 52,376.50
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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.