Finding the Fourth Proportional to 73,338.26, 101,206.80 and 39,804.26
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Solution
The fourth proportional to 73,338.26, 101,206.80 and 39,804.26 is: 54,929.88
Step by Step Solution
- Step 1: Write the proportion equation
73,338.26 : 101,206.80 = 39,804.26 : x - Step 2: Convert to fraction form
73,338.26/101,206.80 = 39,804.26/x - Step 3: Cross multiply
73,338.26x = 101,206.80 × 39,804.26 - Step 4: Simplify right side
73,338.26x = 4,028,461,780.97 - Step 5: Solve for x
x = 4,028,461,780.97/73,338.26 - Step 6: Final answer
x = 54,929.88
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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.