Finding the Fourth Proportional to 67,427.08, 101,136.84 and 20,679.84
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Solution
The fourth proportional to 67,427.08, 101,136.84 and 20,679.84 is: 31,018.60
Step by Step Solution
- Step 1: Write the proportion equation
67,427.08 : 101,136.84 = 20,679.84 : x - Step 2: Convert to fraction form
67,427.08/101,136.84 = 20,679.84/x - Step 3: Cross multiply
67,427.08x = 101,136.84 × 20,679.84 - Step 4: Simplify right side
67,427.08x = 2,091,493,669.31 - Step 5: Solve for x
x = 2,091,493,669.31/67,427.08 - Step 6: Final answer
x = 31,018.60
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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.