Finding the Fourth Proportional to 83,208.60, 124,832.70 and 27,048.96
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Solution
The fourth proportional to 83,208.60, 124,832.70 and 27,048.96 is: 40,579.88
Step by Step Solution
- Step 1: Write the proportion equation
83,208.60 : 124,832.70 = 27,048.96 : x - Step 2: Convert to fraction form
83,208.60/124,832.70 = 27,048.96/x - Step 3: Cross multiply
83,208.60x = 124,832.70 × 27,048.96 - Step 4: Simplify right side
83,208.60x = 3,376,594,708.99 - Step 5: Solve for x
x = 3,376,594,708.99/83,208.60 - Step 6: Final answer
x = 40,579.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.