Finding the Fourth Proportional to 68,942.08, 103,407.36 and 27,377.92
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Solution
The fourth proportional to 68,942.08, 103,407.36 and 27,377.92 is: 41,064.59
Step by Step Solution
- Step 1: Write the proportion equation
68,942.08 : 103,407.36 = 27,377.92 : x - Step 2: Convert to fraction form
68,942.08/103,407.36 = 27,377.92/x - Step 3: Cross multiply
68,942.08x = 103,407.36 × 27,377.92 - Step 4: Simplify right side
68,942.08x = 2,831,078,429.49 - Step 5: Solve for x
x = 2,831,078,429.49/68,942.08 - Step 6: Final answer
x = 41,064.59
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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.