Finding the Fourth Proportional to 103,692.79, 155,409.76 and 44,459.74
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Solution
The fourth proportional to 103,692.79, 155,409.76 and 44,459.74 is: 66,634.12
Step by Step Solution
- Step 1: Write the proportion equation
103,692.79 : 155,409.76 = 44,459.74 : x - Step 2: Convert to fraction form
103,692.79/155,409.76 = 44,459.74/x - Step 3: Cross multiply
103,692.79x = 155,409.76 × 44,459.74 - Step 4: Simplify right side
103,692.79x = 6,909,477,523.06 - Step 5: Solve for x
x = 6,909,477,523.06/103,692.79 - Step 6: Final answer
x = 66,634.12
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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.