Finding the Fourth Proportional to 84,706.08, 116,947.92 and 54,505.44
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Solution
The fourth proportional to 84,706.08, 116,947.92 and 54,505.44 is: 75,251.95
Step by Step Solution
- Step 1: Write the proportion equation
84,706.08 : 116,947.92 = 54,505.44 : x - Step 2: Convert to fraction form
84,706.08/116,947.92 = 54,505.44/x - Step 3: Cross multiply
84,706.08x = 116,947.92 × 54,505.44 - Step 4: Simplify right side
84,706.08x = 6,374,297,836.68 - Step 5: Solve for x
x = 6,374,297,836.68/84,706.08 - Step 6: Final answer
x = 75,251.95
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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.