Finding the Fourth Proportional to 91,283.30, 125,958.49 and 50,992.08
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Solution
The fourth proportional to 91,283.30, 125,958.49 and 50,992.08 is: 70,362.11
Step by Step Solution
- Step 1: Write the proportion equation
91,283.30 : 125,958.49 = 50,992.08 : x - Step 2: Convert to fraction form
91,283.30/125,958.49 = 50,992.08/x - Step 3: Cross multiply
91,283.30x = 125,958.49 × 50,992.08 - Step 4: Simplify right side
91,283.30x = 6,422,885,398.76 - Step 5: Solve for x
x = 6,422,885,398.76/91,283.30 - Step 6: Final answer
x = 70,362.11
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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.