Finding the Fourth Proportional to 88,943.94, 122,745.54 and 50,702.79
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Solution
The fourth proportional to 88,943.94, 122,745.54 and 50,702.79 is: 69,971.50
Step by Step Solution
- Step 1: Write the proportion equation
88,943.94 : 122,745.54 = 50,702.79 : x - Step 2: Convert to fraction form
88,943.94/122,745.54 = 50,702.79/x - Step 3: Cross multiply
88,943.94x = 122,745.54 × 50,702.79 - Step 4: Simplify right side
88,943.94x = 6,223,541,338.06 - Step 5: Solve for x
x = 6,223,541,338.06/88,943.94 - Step 6: Final answer
x = 69,971.50
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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.