Finding the Fourth Proportional to 87,896.33, 121,296.88 and 47,609.99
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Solution
The fourth proportional to 87,896.33, 121,296.88 and 47,609.99 is: 65,701.76
Step by Step Solution
- Step 1: Write the proportion equation
87,896.33 : 121,296.88 = 47,609.99 : x - Step 2: Convert to fraction form
87,896.33/121,296.88 = 47,609.99/x - Step 3: Cross multiply
87,896.33x = 121,296.88 × 47,609.99 - Step 4: Simplify right side
87,896.33x = 5,774,943,243.83 - Step 5: Solve for x
x = 5,774,943,243.83/87,896.33 - Step 6: Final answer
x = 65,701.76
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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.