Finding the Fourth Proportional to 83,946.96, 125,920.44 and 27,772.02
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Solution
The fourth proportional to 83,946.96, 125,920.44 and 27,772.02 is: 41,658.03
Step by Step Solution
- Step 1: Write the proportion equation
83,946.96 : 125,920.44 = 27,772.02 : x - Step 2: Convert to fraction form
83,946.96/125,920.44 = 27,772.02/x - Step 3: Cross multiply
83,946.96x = 125,920.44 × 27,772.02 - Step 4: Simplify right side
83,946.96x = 3,497,064,978.09 - Step 5: Solve for x
x = 3,497,064,978.09/83,946.96 - Step 6: Final answer
x = 41,658.03
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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.