Finding the Fourth Proportional to 104,101.76, 143,660.73 and 56,354.99
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Solution
The fourth proportional to 104,101.76, 143,660.73 and 56,354.99 is: 77,770.05
Step by Step Solution
- Step 1: Write the proportion equation
104,101.76 : 143,660.73 = 56,354.99 : x - Step 2: Convert to fraction form
104,101.76/143,660.73 = 56,354.99/x - Step 3: Cross multiply
104,101.76x = 143,660.73 × 56,354.99 - Step 4: Simplify right side
104,101.76x = 8,095,998,284.24 - Step 5: Solve for x
x = 8,095,998,284.24/104,101.76 - Step 6: Final answer
x = 77,770.05
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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.