Finding the Fourth Proportional to 84,555.56, 126,894.84 and 68,114.08
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Solution
The fourth proportional to 84,555.56, 126,894.84 and 68,114.08 is: 102,220.66
Step by Step Solution
- Step 1: Write the proportion equation
84,555.56 : 126,894.84 = 68,114.08 : x - Step 2: Convert to fraction form
84,555.56/126,894.84 = 68,114.08/x - Step 3: Cross multiply
84,555.56x = 126,894.84 × 68,114.08 - Step 4: Simplify right side
84,555.56x = 8,643,325,283.35 - Step 5: Solve for x
x = 8,643,325,283.35/84,555.56 - Step 6: Final answer
x = 102,220.66
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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.