Finding the Fourth Proportional to 84,515.88, 126,800.35 and 50,820.69
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Solution
The fourth proportional to 84,515.88, 126,800.35 and 50,820.69 is: 76,246.99
Step by Step Solution
- Step 1: Write the proportion equation
84,515.88 : 126,800.35 = 50,820.69 : x - Step 2: Convert to fraction form
84,515.88/126,800.35 = 50,820.69/x - Step 3: Cross multiply
84,515.88x = 126,800.35 × 50,820.69 - Step 4: Simplify right side
84,515.88x = 6,444,081,152.19 - Step 5: Solve for x
x = 6,444,081,152.19/84,515.88 - Step 6: Final answer
x = 76,246.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.