Finding the Fourth Proportional to 73,862.97, 101,918.88 and 43,644.09
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Solution
The fourth proportional to 73,862.97, 101,918.88 and 43,644.09 is: 60,221.74
Step by Step Solution
- Step 1: Write the proportion equation
73,862.97 : 101,918.88 = 43,644.09 : x - Step 2: Convert to fraction form
73,862.97/101,918.88 = 43,644.09/x - Step 3: Cross multiply
73,862.97x = 101,918.88 × 43,644.09 - Step 4: Simplify right side
73,862.97x = 4,448,156,771.42 - Step 5: Solve for x
x = 4,448,156,771.42/73,862.97 - Step 6: Final answer
x = 60,221.74
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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.