Finding the Fourth Proportional to 83,958.24, 115,857.84 and 48,149.76
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Solution
The fourth proportional to 83,958.24, 115,857.84 and 48,149.76 is: 66,444.07
Step by Step Solution
- Step 1: Write the proportion equation
83,958.24 : 115,857.84 = 48,149.76 : x - Step 2: Convert to fraction form
83,958.24/115,857.84 = 48,149.76/x - Step 3: Cross multiply
83,958.24x = 115,857.84 × 48,149.76 - Step 4: Simplify right side
83,958.24x = 5,578,527,190.12 - Step 5: Solve for x
x = 5,578,527,190.12/83,958.24 - Step 6: Final answer
x = 66,444.07
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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.