Finding the Fourth Proportional to 68,311.04, 102,471.84 and 26,211.28
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Solution
The fourth proportional to 68,311.04, 102,471.84 and 26,211.28 is: 39,318.95
Step by Step Solution
- Step 1: Write the proportion equation
68,311.04 : 102,471.84 = 26,211.28 : x - Step 2: Convert to fraction form
68,311.04/102,471.84 = 26,211.28/x - Step 3: Cross multiply
68,311.04x = 102,471.84 × 26,211.28 - Step 4: Simplify right side
68,311.04x = 2,685,918,090.36 - Step 5: Solve for x
x = 2,685,918,090.36/68,311.04 - Step 6: Final answer
x = 39,318.95
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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.