Finding the Fourth Proportional to 88,958.74, 122,807.61 and 68,769.94
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Solution
The fourth proportional to 88,958.74, 122,807.61 and 68,769.94 is: 94,936.96
Step by Step Solution
- Step 1: Write the proportion equation
88,958.74 : 122,807.61 = 68,769.94 : x - Step 2: Convert to fraction form
88,958.74/122,807.61 = 68,769.94/x - Step 3: Cross multiply
88,958.74x = 122,807.61 × 68,769.94 - Step 4: Simplify right side
88,958.74x = 8,445,471,971.24 - Step 5: Solve for x
x = 8,445,471,971.24/88,958.74 - Step 6: Final answer
x = 94,936.96
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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.