Finding the Fourth Proportional to 88,964.44, 122,852.58 and 57,188.68
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Solution
The fourth proportional to 88,964.44, 122,852.58 and 57,188.68 is: 78,972.87
Step by Step Solution
- Step 1: Write the proportion equation
88,964.44 : 122,852.58 = 57,188.68 : x - Step 2: Convert to fraction form
88,964.44/122,852.58 = 57,188.68/x - Step 3: Cross multiply
88,964.44x = 122,852.58 × 57,188.68 - Step 4: Simplify right side
88,964.44x = 7,025,776,884.79 - Step 5: Solve for x
x = 7,025,776,884.79/88,964.44 - Step 6: Final answer
x = 78,972.87
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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.