Finding the Fourth Proportional to 91,289.77, 125,977.56 and 51,003.84
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Solution
The fourth proportional to 91,289.77, 125,977.56 and 51,003.84 is: 70,383.99
Step by Step Solution
- Step 1: Write the proportion equation
91,289.77 : 125,977.56 = 51,003.84 : x - Step 2: Convert to fraction form
91,289.77/125,977.56 = 51,003.84/x - Step 3: Cross multiply
91,289.77x = 125,977.56 × 51,003.84 - Step 4: Simplify right side
91,289.77x = 6,425,338,428.92 - Step 5: Solve for x
x = 6,425,338,428.92/91,289.77 - Step 6: Final answer
x = 70,383.99
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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.