Finding the Fourth Proportional to 83,781.39, 125,692.97 and 24,617.12
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Solution
The fourth proportional to 83,781.39, 125,692.97 and 24,617.12 is: 36,931.81
Step by Step Solution
- Step 1: Write the proportion equation
83,781.39 : 125,692.97 = 24,617.12 : x - Step 2: Convert to fraction form
83,781.39/125,692.97 = 24,617.12/x - Step 3: Cross multiply
83,781.39x = 125,692.97 × 24,617.12 - Step 4: Simplify right side
83,781.39x = 3,094,198,174.10 - Step 5: Solve for x
x = 3,094,198,174.10/83,781.39 - Step 6: Final answer
x = 36,931.81
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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.