Finding the Fourth Proportional to 104,771.68, 144,582.64 and 57,023.84
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Solution
The fourth proportional to 104,771.68, 144,582.64 and 57,023.84 is: 78,691.66
Step by Step Solution
- Step 1: Write the proportion equation
104,771.68 : 144,582.64 = 57,023.84 : x - Step 2: Convert to fraction form
104,771.68/144,582.64 = 57,023.84/x - Step 3: Cross multiply
104,771.68x = 144,582.64 × 57,023.84 - Step 4: Simplify right side
104,771.68x = 8,244,657,330.14 - Step 5: Solve for x
x = 8,244,657,330.14/104,771.68 - Step 6: Final answer
x = 78,691.66
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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.