Finding the Fourth Proportional to 88,659.94, 122,353.05 and 54,209.83
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Solution
The fourth proportional to 88,659.94, 122,353.05 and 54,209.83 is: 74,810.99
Step by Step Solution
- Step 1: Write the proportion equation
88,659.94 : 122,353.05 = 54,209.83 : x - Step 2: Convert to fraction form
88,659.94/122,353.05 = 54,209.83/x - Step 3: Cross multiply
88,659.94x = 122,353.05 × 54,209.83 - Step 4: Simplify right side
88,659.94x = 6,632,738,040.48 - Step 5: Solve for x
x = 6,632,738,040.48/88,659.94 - Step 6: Final answer
x = 74,810.99
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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.