Finding the Fourth Proportional to 84,043.35, 115,980.38 and 48,232.44
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Solution
The fourth proportional to 84,043.35, 115,980.38 and 48,232.44 is: 66,561.09
Step by Step Solution
- Step 1: Write the proportion equation
84,043.35 : 115,980.38 = 48,232.44 : x - Step 2: Convert to fraction form
84,043.35/115,980.38 = 48,232.44/x - Step 3: Cross multiply
84,043.35x = 115,980.38 × 48,232.44 - Step 4: Simplify right side
84,043.35x = 5,594,016,719.53 - Step 5: Solve for x
x = 5,594,016,719.53/84,043.35 - Step 6: Final answer
x = 66,561.09
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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.