Finding the Fourth Proportional to 81,740.63, 122,610.95 and 26,336.63
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Solution
The fourth proportional to 81,740.63, 122,610.95 and 26,336.63 is: 39,504.94
Step by Step Solution
- Step 1: Write the proportion equation
81,740.63 : 122,610.95 = 26,336.63 : x - Step 2: Convert to fraction form
81,740.63/122,610.95 = 26,336.63/x - Step 3: Cross multiply
81,740.63x = 122,610.95 × 26,336.63 - Step 4: Simplify right side
81,740.63x = 3,229,158,479.36 - Step 5: Solve for x
x = 3,229,158,479.36/81,740.63 - Step 6: Final answer
x = 39,504.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.