Finding the Fourth Proportional to 68,494.14, 102,692.91 and 26,338.80
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Solution
The fourth proportional to 68,494.14, 102,692.91 and 26,338.80 is: 39,489.63
Step by Step Solution
- Step 1: Write the proportion equation
68,494.14 : 102,692.91 = 26,338.80 : x - Step 2: Convert to fraction form
68,494.14/102,692.91 = 26,338.80/x - Step 3: Cross multiply
68,494.14x = 102,692.91 × 26,338.80 - Step 4: Simplify right side
68,494.14x = 2,704,808,501.78 - Step 5: Solve for x
x = 2,704,808,501.78/68,494.14 - Step 6: Final answer
x = 39,489.63
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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.