Finding the Fourth Proportional to 107,692.52, 161,538.80 and 48,458.99
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Solution
The fourth proportional to 107,692.52, 161,538.80 and 48,458.99 is: 72,688.50
Step by Step Solution
- Step 1: Write the proportion equation
107,692.52 : 161,538.80 = 48,458.99 : x - Step 2: Convert to fraction form
107,692.52/161,538.80 = 48,458.99/x - Step 3: Cross multiply
107,692.52x = 161,538.80 × 48,458.99 - Step 4: Simplify right side
107,692.52x = 7,828,007,255.36 - Step 5: Solve for x
x = 7,828,007,255.36/107,692.52 - Step 6: Final answer
x = 72,688.50
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1.5x scale
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.