Finding the Fourth Proportional to 93,396.99, 140,170.14 and 48,431.12
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Solution
The fourth proportional to 93,396.99, 140,170.14 and 48,431.12 is: 72,685.40
Step by Step Solution
- Step 1: Write the proportion equation
93,396.99 : 140,170.14 = 48,431.12 : x - Step 2: Convert to fraction form
93,396.99/140,170.14 = 48,431.12/x - Step 3: Cross multiply
93,396.99x = 140,170.14 × 48,431.12 - Step 4: Simplify right side
93,396.99x = 6,788,597,221.18 - Step 5: Solve for x
x = 6,788,597,221.18/93,396.99 - Step 6: Final answer
x = 72,685.40
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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.