Finding the Fourth Proportional to 88,264.26, 121,804.92 and 47,977.97
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Solution
The fourth proportional to 88,264.26, 121,804.92 and 47,977.97 is: 66,209.72
Step by Step Solution
- Step 1: Write the proportion equation
88,264.26 : 121,804.92 = 47,977.97 : x - Step 2: Convert to fraction form
88,264.26/121,804.92 = 47,977.97/x - Step 3: Cross multiply
88,264.26x = 121,804.92 × 47,977.97 - Step 4: Simplify right side
88,264.26x = 5,843,952,188.59 - Step 5: Solve for x
x = 5,843,952,188.59/88,264.26 - Step 6: Final answer
x = 66,209.72
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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.