Finding the Fourth Proportional to 92,452.23, 138,765.02 and 48,110.40
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Solution
The fourth proportional to 92,452.23, 138,765.02 and 48,110.40 is: 72,210.70
Step by Step Solution
- Step 1: Write the proportion equation
92,452.23 : 138,765.02 = 48,110.40 : x - Step 2: Convert to fraction form
92,452.23/138,765.02 = 48,110.40/x - Step 3: Cross multiply
92,452.23x = 138,765.02 × 48,110.40 - Step 4: Simplify right side
92,452.23x = 6,676,040,377.66 - Step 5: Solve for x
x = 6,676,040,377.66/92,452.23 - Step 6: Final answer
x = 72,210.70
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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.