Finding the Fourth Proportional to 125,377.18, 173,017.50 and 69,431.95
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Solution
The fourth proportional to 125,377.18, 173,017.50 and 69,431.95 is: 95,814.43
Step by Step Solution
- Step 1: Write the proportion equation
125,377.18 : 173,017.50 = 69,431.95 : x - Step 2: Convert to fraction form
125,377.18/173,017.50 = 69,431.95/x - Step 3: Cross multiply
125,377.18x = 173,017.50 × 69,431.95 - Step 4: Simplify right side
125,377.18x = 12,012,942,365.03 - Step 5: Solve for x
x = 12,012,942,365.03/125,377.18 - Step 6: Final answer
x = 95,814.43
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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.