Finding the Fourth Proportional to 83,490.63, 125,247.74 and 27,335.31
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Solution
The fourth proportional to 83,490.63, 125,247.74 and 27,335.31 is: 41,006.83
Step by Step Solution
- Step 1: Write the proportion equation
83,490.63 : 125,247.74 = 27,335.31 : x - Step 2: Convert to fraction form
83,490.63/125,247.74 = 27,335.31/x - Step 3: Cross multiply
83,490.63x = 125,247.74 × 27,335.31 - Step 4: Simplify right side
83,490.63x = 3,423,685,799.70 - Step 5: Solve for x
x = 3,423,685,799.70/83,490.63 - Step 6: Final answer
x = 41,006.83
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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.