Finding the Fourth Proportional to 88,638.18, 122,340.41 and 56,366.26
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Solution
The fourth proportional to 88,638.18, 122,340.41 and 56,366.26 is: 77,797.98
Step by Step Solution
- Step 1: Write the proportion equation
88,638.18 : 122,340.41 = 56,366.26 : x - Step 2: Convert to fraction form
88,638.18/122,340.41 = 56,366.26/x - Step 3: Cross multiply
88,638.18x = 122,340.41 × 56,366.26 - Step 4: Simplify right side
88,638.18x = 6,895,870,982.26 - Step 5: Solve for x
x = 6,895,870,982.26/88,638.18 - Step 6: Final answer
x = 77,797.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.