Finding the Fourth Proportional to 86,956.26, 120,001.56 and 48,718.63
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Solution
The fourth proportional to 86,956.26, 120,001.56 and 48,718.63 is: 67,232.79
Step by Step Solution
- Step 1: Write the proportion equation
86,956.26 : 120,001.56 = 48,718.63 : x - Step 2: Convert to fraction form
86,956.26/120,001.56 = 48,718.63/x - Step 3: Cross multiply
86,956.26x = 120,001.56 × 48,718.63 - Step 4: Simplify right side
86,956.26x = 5,846,311,357.47 - Step 5: Solve for x
x = 5,846,311,357.47/86,956.26 - Step 6: Final answer
x = 67,232.79
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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.