Finding the Fourth Proportional to 125,921.13, 173,775.41 and 68,562.67
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Solution
The fourth proportional to 125,921.13, 173,775.41 and 68,562.67 is: 94,618.80
Step by Step Solution
- Step 1: Write the proportion equation
125,921.13 : 173,775.41 = 68,562.67 : x - Step 2: Convert to fraction form
125,921.13/173,775.41 = 68,562.67/x - Step 3: Cross multiply
125,921.13x = 173,775.41 × 68,562.67 - Step 4: Simplify right side
125,921.13x = 11,914,506,281.30 - Step 5: Solve for x
x = 11,914,506,281.30/125,921.13 - Step 6: Final answer
x = 94,618.80
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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.