Finding the Fourth Proportional to 87,582.16, 120,820.08 and 51,754.84
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Solution
The fourth proportional to 87,582.16, 120,820.08 and 51,754.84 is: 71,396.09
Step by Step Solution
- Step 1: Write the proportion equation
87,582.16 : 120,820.08 = 51,754.84 : x - Step 2: Convert to fraction form
87,582.16/120,820.08 = 51,754.84/x - Step 3: Cross multiply
87,582.16x = 120,820.08 × 51,754.84 - Step 4: Simplify right side
87,582.16x = 6,253,023,909.19 - Step 5: Solve for x
x = 6,253,023,909.19/87,582.16 - Step 6: Final answer
x = 71,396.09
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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.