Finding the Fourth Proportional to 104,800.76, 144,624.80 and 57,054.44
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Solution
The fourth proportional to 104,800.76, 144,624.80 and 57,054.44 is: 78,734.99
Step by Step Solution
- Step 1: Write the proportion equation
104,800.76 : 144,624.80 = 57,054.44 : x - Step 2: Convert to fraction form
104,800.76/144,624.80 = 57,054.44/x - Step 3: Cross multiply
104,800.76x = 144,624.80 × 57,054.44 - Step 4: Simplify right side
104,800.76x = 8,251,486,974.11 - Step 5: Solve for x
x = 8,251,486,974.11/104,800.76 - Step 6: Final answer
x = 78,734.99
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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.