Finding the Fourth Proportional to 68,377.58, 102,229.20 and 57,963.82
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Solution
The fourth proportional to 68,377.58, 102,229.20 and 57,963.82 is: 86,659.91
Step by Step Solution
- Step 1: Write the proportion equation
68,377.58 : 102,229.20 = 57,963.82 : x - Step 2: Convert to fraction form
68,377.58/102,229.20 = 57,963.82/x - Step 3: Cross multiply
68,377.58x = 102,229.20 × 57,963.82 - Step 4: Simplify right side
68,377.58x = 5,925,594,947.54 - Step 5: Solve for x
x = 5,925,594,947.54/68,377.58 - Step 6: Final answer
x = 86,659.91
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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.