Finding the Fourth Proportional to 73,860.97, 101,916.12 and 43,642.09
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Solution
The fourth proportional to 73,860.97, 101,916.12 and 43,642.09 is: 60,218.98
Step by Step Solution
- Step 1: Write the proportion equation
73,860.97 : 101,916.12 = 43,642.09 : x - Step 2: Convert to fraction form
73,860.97/101,916.12 = 43,642.09/x - Step 3: Cross multiply
73,860.97x = 101,916.12 × 43,642.09 - Step 4: Simplify right side
73,860.97x = 4,447,832,481.49 - Step 5: Solve for x
x = 4,447,832,481.49/73,860.97 - Step 6: Final answer
x = 60,218.98
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1.5x scale
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.