Finding the Fourth Proportional to 125,671.29, 173,421.99 and 69,082.26
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Solution
The fourth proportional to 125,671.29, 173,421.99 and 69,082.26 is: 95,331.11
Step by Step Solution
- Step 1: Write the proportion equation
125,671.29 : 173,421.99 = 69,082.26 : x - Step 2: Convert to fraction form
125,671.29/173,421.99 = 69,082.26/x - Step 3: Cross multiply
125,671.29x = 173,421.99 × 69,082.26 - Step 4: Simplify right side
125,671.29x = 11,980,383,002.90 - Step 5: Solve for x
x = 11,980,383,002.90/125,671.29 - Step 6: Final answer
x = 95,331.11
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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.