Finding the Fourth Proportional to 88,928.26, 122,724.93 and 51,214.66
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Solution
The fourth proportional to 88,928.26, 122,724.93 and 51,214.66 is: 70,678.49
Step by Step Solution
- Step 1: Write the proportion equation
88,928.26 : 122,724.93 = 51,214.66 : x - Step 2: Convert to fraction form
88,928.26/122,724.93 = 51,214.66/x - Step 3: Cross multiply
88,928.26x = 122,724.93 × 51,214.66 - Step 4: Simplify right side
88,928.26x = 6,285,315,563.47 - Step 5: Solve for x
x = 6,285,315,563.47/88,928.26 - Step 6: Final answer
x = 70,678.49
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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.