Finding the Fourth Proportional to 102,692.91, 154,037.70 and 39,526.75
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Solution
The fourth proportional to 102,692.91, 154,037.70 and 39,526.75 is: 59,289.49
Step by Step Solution
- Step 1: Write the proportion equation
102,692.91 : 154,037.70 = 39,526.75 : x - Step 2: Convert to fraction form
102,692.91/154,037.70 = 39,526.75/x - Step 3: Cross multiply
102,692.91x = 154,037.70 × 39,526.75 - Step 4: Simplify right side
102,692.91x = 6,088,609,991.62 - Step 5: Solve for x
x = 6,088,609,991.62/102,692.91 - Step 6: Final answer
x = 59,289.49
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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.