Finding the Fourth Proportional to 67,858.08, 101,717.44 and 28,438.08
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Solution
The fourth proportional to 67,858.08, 101,717.44 and 28,438.08 is: 42,627.92
Step by Step Solution
- Step 1: Write the proportion equation
67,858.08 : 101,717.44 = 28,438.08 : x - Step 2: Convert to fraction form
67,858.08/101,717.44 = 28,438.08/x - Step 3: Cross multiply
67,858.08x = 101,717.44 × 28,438.08 - Step 4: Simplify right side
67,858.08x = 2,892,648,696.12 - Step 5: Solve for x
x = 2,892,648,696.12/67,858.08 - Step 6: Final answer
x = 42,627.92
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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.