Finding the Fourth Proportional to 71,370.11, 106,977.92 and 46,427.99
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Solution
The fourth proportional to 71,370.11, 106,977.92 and 46,427.99 is: 69,591.72
Step by Step Solution
- Step 1: Write the proportion equation
71,370.11 : 106,977.92 = 46,427.99 : x - Step 2: Convert to fraction form
71,370.11/106,977.92 = 46,427.99/x - Step 3: Cross multiply
71,370.11x = 106,977.92 × 46,427.99 - Step 4: Simplify right side
71,370.11x = 4,966,769,032.95 - Step 5: Solve for x
x = 4,966,769,032.95/71,370.11 - Step 6: Final answer
x = 69,591.72
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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.