Finding the Fourth Proportional to 87,383.44, 120,587.70 and 48,619.81
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Solution
The fourth proportional to 87,383.44, 120,587.70 and 48,619.81 is: 67,094.53
Step by Step Solution
- Step 1: Write the proportion equation
87,383.44 : 120,587.70 = 48,619.81 : x - Step 2: Convert to fraction form
87,383.44/120,587.70 = 48,619.81/x - Step 3: Cross multiply
87,383.44x = 120,587.70 × 48,619.81 - Step 4: Simplify right side
87,383.44x = 5,862,951,062.34 - Step 5: Solve for x
x = 5,862,951,062.34/87,383.44 - Step 6: Final answer
x = 67,094.53
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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.