Finding the Fourth Proportional to 69,697.01, 104,487.15 and 48,575.09
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Solution
The fourth proportional to 69,697.01, 104,487.15 and 48,575.09 is: 72,821.96
Step by Step Solution
- Step 1: Write the proportion equation
69,697.01 : 104,487.15 = 48,575.09 : x - Step 2: Convert to fraction form
69,697.01/104,487.15 = 48,575.09/x - Step 3: Cross multiply
69,697.01x = 104,487.15 × 48,575.09 - Step 4: Simplify right side
69,697.01x = 5,075,472,715.09 - Step 5: Solve for x
x = 5,075,472,715.09/69,697.01 - Step 6: Final answer
x = 72,821.96
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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.