Finding the Fourth Proportional to 88,954.44, 122,838.78 and 57,178.68
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Solution
The fourth proportional to 88,954.44, 122,838.78 and 57,178.68 is: 78,959.06
Step by Step Solution
- Step 1: Write the proportion equation
88,954.44 : 122,838.78 = 57,178.68 : x - Step 2: Convert to fraction form
88,954.44/122,838.78 = 57,178.68/x - Step 3: Cross multiply
88,954.44x = 122,838.78 × 57,178.68 - Step 4: Simplify right side
88,954.44x = 7,023,759,293.21 - Step 5: Solve for x
x = 7,023,759,293.21/88,954.44 - Step 6: Final answer
x = 78,959.06
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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.