Finding the Fourth Proportional to 83,827.68, 125,757.06 and 27,671.70
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Solution
The fourth proportional to 83,827.68, 125,757.06 and 27,671.70 is: 41,512.68
Step by Step Solution
- Step 1: Write the proportion equation
83,827.68 : 125,757.06 = 27,671.70 : x - Step 2: Convert to fraction form
83,827.68/125,757.06 = 27,671.70/x - Step 3: Cross multiply
83,827.68x = 125,757.06 × 27,671.70 - Step 4: Simplify right side
83,827.68x = 3,479,911,637.20 - Step 5: Solve for x
x = 3,479,911,637.20/83,827.68 - Step 6: Final answer
x = 41,512.68
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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.