Finding the Fourth Proportional to 96,986.96, 133,821.93 and 56,692.92
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Solution
The fourth proportional to 96,986.96, 133,821.93 and 56,692.92 is: 78,224.50
Step by Step Solution
- Step 1: Write the proportion equation
96,986.96 : 133,821.93 = 56,692.92 : x - Step 2: Convert to fraction form
96,986.96/133,821.93 = 56,692.92/x - Step 3: Cross multiply
96,986.96x = 133,821.93 × 56,692.92 - Step 4: Simplify right side
96,986.96x = 7,586,755,759.14 - Step 5: Solve for x
x = 7,586,755,759.14/96,986.96 - Step 6: Final answer
x = 78,224.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.